Only had the Wii for 6 days, so haven't bought much yet:
Wii + Zelda bundle: £210
Extra Controller: £25
RGB Scart Cable: £17
1Gb SD Card: £7
F-Zero GX (GC game): £8.50
Total: £267.50
Don't know if the GC game should count or not, but I did buy it specifically to play on the Wii.