I cant remember if the 9900 is unlocked, but the codes on ebay are just 99p if not, but i know it works on the EE network.
it has scratches over the phone casing and there is a crack on the screen that disspears when the phone is switched on.
Xperia Play is unlocked i bought it off here for £47 including postage but now no longer use the phone. This item is boxed but box is a little tatty.
plextor blu ray drive boxed plextor px-b120u
BB 9900 :- £55
Xperia Play :- £45
Blu Ray Drive :- £35
prices all including standard delivery