KB/mouse adapters for consoles - any that actually really work?

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Hi,

Bit of a long story but basically my 8800 GTS busted on me out of warranty and I can no longer be bothered to pay for and maintain a gaming PC. I use my laptop for browsing now.

Anyway, I owned an Xbox360 a couple of years back but lost it during an acrimonious split with a partner. I used to play FPS games but hated it because aiming with the controller felt so alien. For this reason, I wasn't so sad to see it go.

A couple of years later, considering the demise of my desktop PC I am now intending to buy either an Xbox360 (probably an Elite) or a PS3, and my choice will depend on which platform has the best support for KB/mouse through 3rd party peripherals, adapters etc. I have done a bit of digging on the net and there seems to be good and bad stuff said about all of them in equal measure, and some are looking quite pricey too.

If there is no solution yet for either platform that is as near as damn the same as playing FPS on a PC, then I will not buy either and give up gaming completely (serious).

Thanks for your tips

Edit: sorry if this is in the wrong forum, seemed the best place.