theres alot of TB games you wont be able to play while on RebugTB
but if u just want ReactPSN just use this
vsh.self.patcher.for.reActPSN2.pkg
http://www.mediafire.com/?tzi0baw1w6zj3os
I use it on TB CFW v2 and with ReactPSN 2.0, dont know if it'll work with your setup.