Thought it would be useful if there was a post were people could list which combination of parts worked for them, to help any new buyers out. The verified hardware list http://elinux.org/RPi_VerifiedPeripherals is still a good place to start but it wouldn't surprise me if certain combinations don't work well together.
Xenta 2.4Ghz Wireless Multimedia Entertainment Keyboard with TouchPad - USB
http://www.ebuyer.com/135103-xenta-2-4g ... sb-kb-1000
Network - ZyXEL PLA-4201 500Mbps Mini Powerline Adaptor
http://www.ebuyer.com/367949-zyxel-pla4 ... 01-gb0201f
For me this is so much better than using Wifi which I did try with a no named generic nano type device, using a powerline is just much faster, more reliable and no drivers are needed.
Transcend 16GB SDHC Class 10 Memory Card
Integral SDHC Class 10 Memory Card 16GB
Both of the above SD cards work great, I also have a Kingston class 10 card which I couldn't get to work with lots of errors, works fine in my camera though.
UK Micro USB Mains Power
http://www.amazon.co.uk/gp/product/B008 ... 06_s00_i00
I'm using the above setup successfully with Rasbian and XBian.