First of all I'll start off by saying this is my 3rd VW, having owned a 2004 Jetta and a 2000 GTi Vr6, and it is still my favorite by far. If you are into the Euro car modding scene this is a great platform. It has timeless styling, great potential, and from a Automotive Technician's standpoint faily simple to work on especially for a VW.
I couldn't pinpoint a specific feature. The car overall is a very solid car. Great for a first car or a tuning veteran.
The only problems I've had (which I was aware of when I purchased it) were putting a new heater core in, new CV axles, and some cosmetic work. All that can be expected from a car with such miles as mine has.