town centre is a few beautiful colleges scattered around a run-down third rate identikit centre. But over-run with tourists. Think of a collision between Cambridge and Doncaster.
Some nice restaurants, cafes etc and areas (eg. Walton Street, Castle Complex).
V expensive to live which is why Bicester is expanding from market town to garden city, good transport links but gridlocked as everyone who works in Oxford commutes in as they cant afford to live there. Most of the nearby towns serve as dormatories for Oxford.
Lots of nice surrounding villages with associated pubs/eateries etc.
20ish minutes from Chilterns, 45ish minutes from Woburn/Chicksands/Aston Hill and other decent MTB venues. Very good for road riding, quickly out onto quiet rural lanes with generally concientious, patient drivers.