Pointless, and Sony is just doing this to STOP Jailbreaking as ALL new Slims will have 3.50 pre-loaded.
Get a Slim now, it's the perfect time cause they're all at 3.40. Bagged one today for £199, the 160GB version standalone, well worth it! (Fat PS3 still lives but wifi broke)
Original PS3 + Slim PS3 - 3.41OFW - 640/320GB - 3 DualShock 3 Controllers - PS3 Remote - PS3 Keypad - x2 Move Controllers/1 Navigation - Jailbroken - x3 PS3Key v4.0 - Maximus AVR USB.
2 Fat PSP's - PSP1000 - OFW 5.00 - PSP1003 - CFW 5.00 M33-6
Original PS2 - Chipped
2 PS1's - Chipped