yea, the swaps are getting more and more popular among the 2.5RS guys who want reliable power. it will cost you ~3-5k for the motor depending on where you buy it plus another couple grand for the install. I've seen quotes ~$7-8k for parts and labor.

For a bit cheaper route, you can look at the turbo kits for the 2.5RS. The more popular ones are ludespeed (http://ludespeed.com/home.html), forced air tech (www.forcedairtech.com) and vishnu performance turbo kit(www.vishnuperformance.com)

Most low end kits will cost at least $2k and the higher end around $4-5k. These kits can be done by yourself or you can spend more and pay someone to do it for you if you're not too confident with your mechanic skills.

For starting out your turbo, you wouldn't want to go over 8 psi. Starters usually go ~5 psi of boost, but don't let the low boost fool you. Properly tuned RS-T's that run 5 psi of boost can eat stock wrx's for breakfast (flame suit on). Once you ask for more power, you're gonna be spending more, larger injectors, i'd recommend a standalone ecu to properly tune it.

Check out www.i-club.com, aftermarket forced induction forum. There's a sticky on top of that forum that will explain lots of things for you about putting forced induction in the ej25.

btw, i hate i-club. they are pretty tough on the n00bs, and the only advice they offer of worth is "RUN A SEARCH!!!" check out www.clubwrx.net much more friendly, more intellligent threads rather than "dude, that's so RICE!" every 15 minutes. we've got auto enthusiasts from all lines, including mustangs, vettes, handa/acura, nissan and toyota.

dR