Best prices try one of the following stores m8
http://achamilton.co.uk/ expect to pay about £2050 for the T2 alone, that's what I got mine for from here.
http://www.reidys.com/index.pl
http://www.piedog.com/musical_instruments/keyboard/keyboards/yamaha-tyros_2.htm?tg_1447949

Piedog £2249 with speakers and stand has to be a good price
http://www.eddiemoorsmusic.co.uk/shop/advanced_search_result.php?keywords=tyros+2
ex demo here for £1999

Have a good shop about but you should be able to get a T2 on it's own for definitely no more than £2100 and maybe a bit less