I'm using 2.40 and I haven't seen any of the problems stated here.. The real test will come on Thursday, when I see if any of these problems have appeared since we put it in the box...
I'm going to check tonight to see if we have a spare 2005/2004 RC that we can bring, but as of the current FIRST rules, they are not allowed. Maybe someone should go post on the Q&A forums, explaining the situation.. maybe we could get the 2005 RC cleared to use until this problem is resolved (It DOES work with the field control system, we were using it at the scrimmage with no problems) It wouldn't even be a tight fit for me.. 55% usage on the 2005 controller
Someone with access to a 2006 RC: Disable compiler optimizations... Project->Build Options->Project->MPLAB C18->Optimization (Dropdown), Disable.
If that fixes it, then its a compiler bug (But it can be worked around!)
I can tell you right now I've had all the optimizations enabled since the second week of build, and haven't seen this problem.