i was just informed by Alpine development that they have fixed their S/C kit for 3Rz (2002 3Rz to be exact). i was told they increased the output and it now provides 50HP. $2850 + shipping, comes with electronics, install kit, and a 5th fuel injector. i'm not sure when the kit was actually available, but i just found out today. a few months back i was told the kit was not being sold due to some electronics issues.
throw a small amount of NOS to keep things cool and you can probably squeeze
225-250hp out of the darn thing, providing some basic mods to breathability, header, and open muffler.