M2cntz

Have a 2005 A4 Ultrasport, 3.0L, with 205k miles, owned it 4yrs and driven daily until now. It's in good shape, and runs very well, but because of the mileage we're considering restoring to include a new engine, etc. Don't want a used engine, but don't want to necessarily spend $8k on a performance one either. Looking for something with components proven to be better than the original ones.
1. What companies would you recommend to consider purchasing from?
2. What type of engine would you recommend: remanufactured or some other type?
Thank you!