Bill, try listening to what some of us, who've been around these cars for years, have to say.

When I had my NT I thought the same thing, I was young and stupid, and thank god never went through with it. You may love your car, as I did mine, you just want more power out of it. The cost of converting your ESi to a TSi, is not practicle, end of story.

But if you'd like to do it, be all means go ahead, just search on here and you'll find a plethora of information.