Resolution writes: "At first, it was minor details like its short battery life and the loss of a mini-USB port. But it got worse once Sony announced that those with UMD titles would no longer be able to trade them in for free downloads of the library they'd already spent considerable amounts of money acquiring. To tell the world you'll be supporting loyal customers with backwards compatibility, only to let them down, with one console is extremely bad business practise. To do it with a second is bordering on financial suicide.
People buying the PS3 Slim seem pleased with their purchases, but there's always going to be the constant complaint that, yes, for all the new features and slimmed-down loveliness of the thing, it's a low blow not to include the PS2 compatibility the first version was blessed with. Now the PSP Go faces the same problem, with Sony customers everywhere confused as to why they can't upgrade to the new hardware without re-purchasing all the software."