Here is a site where a guy did some testing of several filters. Check it out. http://minimopar.knizefamily.net/oilfilters.htmlIt seems to me after reading it that the following are good filter:
Fram Tough Guard
WIX sold at NAPA
Mobil 1
Purolator

I have always used Mobil 1 with the Fram Toughguard or a WIX Gold from Napa.

Im glad you switched to a better oil than just petro. No matter what your choice was your better off now with the full synthetic. But changing that every 2500 miles maybe overkill. But it wont hurt a thing. GOOD CHOICE!