I know this must be some kind of scam but....

[Moe_Szyslak]

How on earth does it work? http://www.gumtree.com/london/01/34644301.html

If you can collect the item in person (and it seems you can) then how do they scam you? Are the items defective?

[Rotary Madness]

Stolen goods?

A box with bricks in?

Or is it a st laptop? :s