Getaway ROM selection is always an issue since they all have bugs. ROM distributors and Pinside polls say that most people run L-2. A new L-2 modified to fix the multiball / Free Ride bug would make it an easy choice. Popular game too.
http://pinside.com/pinball/forum/topic/hs2-getaway-is-in-the-house-multiball-bug#post-241529