i was in the process of doing a ls/v swap and eventually changed my mind to go w/ boost...i suggest you do lots of research on several things

a) power gains w/ both builds
b) min and max costs of both builds
c) reliability

i did about 4 months of research on all of those topics and i decided to boost for several reasons...if u think ur ready for the full ls/v though....have another 500-1000 ready in the bank for when u realize u need something else....or stupid shit like that...definately can cost ya

hope this helps