I think this thread is quite a good idea. Ensure nobody wastes their money, I guess.

I have an 8GB class 6 card that reports itself as 8.5MB/s write and 14MB/s read speed. Always worked perfectly in the N900 and my Vega.

I'll get a link to the card when I find it.

EDIT:

http://www.amazon.co.uk/Transcend-mi.../dp/B001IAMME8