My MBP is going to get its logic board replaced while under warranty. The current model is a 2 GHz intel bought in august 2006 (or thereabouts). Currently the specs say that the machine can only support 2 GB RAM. Questions: 1. Will the logic board be swapped out for an identical one, or do you think it will be upgraded (speed bump)? 2. If it is upgraded, will I be able to put 4 GB of RAM into the slots, or is RAM capacity determined by something else that doesn't change with a logic board replacement? Thanks.