Sony had a Logitech BT Keyboard listed as an accessory a while back, which is still on the market, but a different model number.
Logitech MediaBoard Pro; MDL Y-X5A77, P/N 868011
I was and am happy to type on this remarkable light weight board, rather than maneuver the on screen keyboard. So when I could not find the PS3 home key, YAAARRRGG! Then I wrote this to contact us: Media Board Pro states it is designed for PS3; however, your product information neglects to state that there is NO, "NO!", PS3 key. No navigational PS3 home key limits the use of this board, it is functionally deficient, and it handicaps the user. You can replace the terms L3, R3, left controller and right controller, where 'PS3 is typed'.