Thought id chime in with what seems to be P-wrx's motto "Use the search function"- Honestly, if you check the introductions-Driveway thread you can read what others have done to they're cars and go from there. The performance thread also lists cars/mods and the net HP figures -
A few quick glances around should tell you enough! As for the mods listed, i'd say they are great starting mods although others might knock the verso tune and say get a real
ecu. But hey, horses for courses.