My gaming circle has found no need for a bid system or any other revisions for '42, yet our games tend to favor neither side consistently. Using air in R1 to take out the Baltic fleet (too risky IMO) typically results in GER buying boats anyway, so RUS tends to focus on beating back GER on the front lines while it builds in preparation for pressure from JAP.
GER can clearly outproduce UK early, and thus amass a pretty healthy fleet before UK can get enough boats in the water to challenge it. In our experiences, the success of the G1 attacks on UK boats is critical. If the UK battleship survives, it is a nice centerpiece to build a fleet around. If, as usually happens in our games, UK is left only with the transport and cruiser in sz1, the GER fleet has the chance to exert great pressure on any UK fleet builds, protect Fra, and keep troops moving to Kar. Bad news for the allies, especially if an IC goes into Fra and the GER fleet can sail out to sz7.
A possible counter to this is to build 2 bombers in UK1 while waiting for the US bombers to arrive. That would mean in y2 the US and UK could have a combined 3 ftr and 6 bombers, plus any remaining boats, to harass the GER fleet. Additionally, UK and US can SBR GER relentlessly and annihilate the ITA fleet if the attack on the GER fleet doesn’t bode well.