For all you lovers of the tiny PC! This is for the board only, no accessories.
Sold new by NowView in the New&Used section. This is the cheapest i can find it online anywhere.
If you require a case, the "Pi + Clear Case" option is sold by Amazon for £25.95 (making the case £2.50 instead of £3.44 buying it separate).
The frequently bought section also lists a power supply for £2.68 which seems to be the power supply of choice for most Pi buyers. This gives a total of £28.63 for a cased, working Pi Model B.
The Raspberry Pi is an ultra-low-cost, deck-of-cards sized Linux computer. Developed by the Raspberry Pi Foundation in the UK, the Raspberry Pi aims to put the fun back into learning computing by promoting the study of computer science and programming at a school level.