Welcome mate,Nice car, wish i had one when i was 22 :)For rubber check out:Goodyear Eagle F1 Asymmetric 2Michelin Pilot Sport 3Loads of info on the forum about tyres, these two seem to get the best feedback.
Make sure you get ones with resistors!
Nice Jag. Your BBS from the Ibiza will probably be the wrong PCD for the Golf.