I think the new inn's now the corridor - gone all wine bar. I saw the last OF game in the Elm Tree on Cowley Road, but they don't seem to do other SPL games. The Oxon. Shamrock CSC meets in the Six Bells in Bicester, and they seem to be pretty settled in there now. Their homepage is
http://www.oxonshamrockcsc.co.uk/intro.htm. If you're going from Oxford, the road up to Bicester has had hell-ish roadworks recently, but they're due to finish this month (March 06).