Jack Dickinson says:
Depends completly on what you want, have a look on pinkbike.com in the for sale bit, can get second hand good wheels. For a wheel like I use looking at £100 + but I use downhill wheels for strength. You need to look at cross country wheels
Well I'm thinking of buying a spare for the training stand so I can use the proper one when I'm out and about so it doesn't need to been very tough.