Justin's right; there are too many ways to skin this cat. If you have to ask the question, "Is it worth it?" you clearly haven't done enough research on your own. This has been discussed too many times and too many ways before to have a simple answer. Yes, you can turbocharge an SR20DE engine, it's actually pretty easy compared to turbo "kits" for other engines. It's very expensive, though, so you have to weigh that against your goals. At this point in your car-modding life, you'll probably do a lot better with bolt-ons.