Sorry forgot to mention the Gen 2 has a long wheel base (compared to 201/Gen1 Vega) Its 12mm longer but the space for the radio gear/esc is the same.
Take a look in the 'Show is your Vega' thread at Junior Z's car, he has got a full size servo and fairly big esc/Rx so space isn't an issue
Link to Juniors car:
http://www.oople.com/forums/showthre...=66391&page=12