Yup, I Think I have 2-3 games with 3200:0 as Space marines. Very few combinations of units works right now for orks. So far ~45 games finished and 3 loses. 2 of them as orks and one space marine. Lost as space marine on old patch. Before major nerfs for orks plus "better selection" for force pulls. Was the best and closest game so far. ork player had the best possible list for orks. 2 wagon transports, 2 flash gits, Wierd boy, 2 bikes and wagon with big gun. At the end Ork player said something like this : If I can not win with this list - I can not win as orks at all.
Why "better selection" is not good? Because right now I see more heavy lists for space marines.
1. Dreadnaughts - imho the best non ellite unit in the game for the price. Right now I often see 1-2 in lists.
2. Predator - worse version of dread. Who need those stormbolters if orks infantry is not a threat?
3. lazz cannons waaay too effective vs everything. Way too powerfull when you can move them and shot 4 times. With rino it is became broken for 90% ork lists.
4. rockets squad the same as lass cannon. SA bit worse vs heavy targets but have a massive anti-infantry ability. With rino same as lass cannon. Just not a fun to play against for ork players.
5. Great wolf. Well yeah. Only flash gits can kill it. Do not have them or transport for them? Just ignore him and try to kill at least others units. Hard to ignore because he can do ~ 200 damage vs wagon level side armor in one turn from his max range.
6. Knights. Same as Great wolf. Ignore him and try to kill others units, Btw his shield works from any direction. I think a bug?
7. Land raider. Orks can not counter lists with this unit in it.
8. terminators. Melee version and with bolters plus 3 heroes. Forgot names of 2 heroes. First Great wolf and 2 others for 380 points. If you have 2 rino, at least 2 of those termies and one hero - go and kill ork in melee. Orks can not into melee right now. ( only deff dread can )
9. Marines on wolfs also very effective units for price vs orks.
Those are the main units that I use as space marines and have the hardest time to play against.
Now lets see what orks have:
1. killa kans both version overpriced compare to Dreadnaughts. I mean just try to play with them. Shoota version played better at older patchs ( vs~70-80 armor). Clearly some versions changed that. Maybe last patch with damage formula change? 280 price
2. Deff dread. Very cool in melee. But you never will do melee attacks vs decent marine players. 380 price for cover. With nerfed armor in last patch btw.
3. Bikes. They have crazy firepower. Good. But I found this unit like a big noob trap. Many new ork players think that if you nearly killed dredd or predator in one turn it is a win. No, its not. Because those bikes can be removed by any marine units at next turn. Also not many players can use it for such effect. Simply because it is not easy. 280 points price.
4. Mega nobs. Good with transports, Without food for lazz cannons, rockets, dredd etc. Vs hard targets better use flanking shots. In front they can do low damage sometimes.
5. Flash gits. Monters in wagons. But only vs few marine lists.
6. Nobz both version. just do not use them in MP. No damage, can not survive long enough vs everything for 220 and 260 points.
7. Shoota boys was as bad as nobz but now became lot better. Problem is - everything can destroy infantry way to fast. True for marines bolter squads also.
8. Basic boys. Love those guys. But you need to understand that for every 3-4 of those units marine player will have something better.

And the only role for them - cover. Sorry boyz - no glorious charges for you.
9.Gorkanaut. At first I thought he is a beast. But I found that you can counter his main gun. ( I like that you can counter such monsters, too bad you can not do something like this with marines big boys) Just use dredds, knight together to each other and Gorkanaut gun wil spread damage between them. Can be killed very fast if there is no hero with 30% shield or wierd boy in list.
10. helicopters. I do not found how anyone can use them right.
11. buggy. Same as helicopters.
12. Wagon with huge gun. 480 points. Massive front armor. Easy to kill with side shots. Have not see 2 of them in one list after 2 patchs. Can do pretty well if marine player do not know how to deal with wagons.
13. Hero with shield for 2 tiles. Great unit. Blob your trash and hope for the best.

Only works because right now there is no reason to take victory points.
14. Wierd boy. Love the design of this unit. Great for its price.
15. Big boss here with waagh ability. Worse than any of big 3 heroes of space marines. Main thing seems like Waagh. But infantry just bad in this game right now.
Thats just from my expereince. I did not cover all the units. Later can add more if someone can read it without eye bleeding.

50% games as orks and marines. Also we need victory conditions. Right now we do not have them. I mean 12-16 turns for battle? One army destroying another in 3-4 turns.
Sorry for bad english. I hope you can understand. I also posting in steam forum more.