Profile of mercenary90

http://www.coh2.org/replays/5473/soviet-combined-arms

Here's a replay. When the conscripts put on PPShs and HTD, they became really difficult to kill. I rushed to a P4 as a counter, but SU85s came out around the same time and put an end to that. I built mortars to kill the Maxims and HTD conscripts, but the conscripts tended to be mobile (and thus difficult to hit) until hitting close range, at which point any mortar shells were likely to hit my own troops. Grens and PGrens didn't seem to be very effective. In retrospect, I should have built a sniper, but I'm not sure how much that would have helped.

This patch, the most difficult situation I find mid-game is when my opponent fields a combined-arms army and knows how to utilise it in concert. Usually, this means:
2 Engis, one with a flamer
3-4 Conscripts with HTD, PPShs, and molotovs
1-2 Guards with DP-28
1-2 SU-85s
1-2 Snipers
0-1 Katyushas/Howitzer

against my army of:
2 Pioneers, unupgraded
2-3 Grens, unupgraded
1-2 HMGs
1-2 PGrens, one with a Schreck
1-2 P4s
0-1 Paks

I've tried a few counters, but this Soviet unit combo synergises incredibly well.
The conscripts are straight-up superior to both PGrens and Grens. MG42s are expensive and still lose to HTD conscripts. Grenades are a significant drain on resources and can often leave you without muni to panzerfaust scout cars. Even when I get a flank off on a sniper, I have to retreat very quickly due to sniper shots and PPSh causing too many casualties while closing range.
The snipers generally tend to focus on decrewing my HMGs and AT guns, preventing them from suppressing the conscripts with them or getting shots off on the SU-85s. Countersnipes don't work very well on two-man sniper squads and don't inflict a comparable MP drain on 6-man Soviet squads.
SU-85s do very well against tanks, can spot and shoot farther than all Ostheer units, and are protected from tank flanks by Guards buttoning.

I find that it's incredibly difficult to attack or defend against this combination.
Attacking it: snipers quickly whittle down infantry, and guards and conscripts have clear superiority over the remaining infantry. An attentive player can kite SU-85s backwards from charging tanks, schrecks, or AT guns.
Defending against it: snipers pick away at infantry/weapons teams, SU-85s pick away at tanks, and artillery picks away at everything while conscripts and guards protect them. I find I must either attack (and usually lose to the firepower of PPShs and DP-28s) or pull back (and cede territory), both undesirable options.

Any ideas on what I can do to counter this?