I think I'm first out of the blocks this week:
I picked up NBA Jam TE (Gamegear) boxed and minty-fresh for £2 from a charity shop on my lunch-hour. I would've got Talespin aswell, but I didn't have any more change on me. I'll get it tomorrow if it's still there.
Also had The Addams Family (Master System) land on my doorstep this morning.