If you jailbreak you cannot allow unrestricted syncing with iTunes, primarily never allow Apple to patch or update your OS since they usually fix jailbreak techniques. It is also now illegal to unlock your phone and might be illegal to jailbreak it under DCMA. Silly Apple users think they pay all that money and actually own the devices.
'91 Pickup - Imelda
'08 Tacoma TRD - Donna
'09 Kawasaki KLR650
'12 Gunnar Rockhound 29
"Our task must be to free ourselves from this prison by widening our circle of compassion to embrace all living creatures and the whole of nature in its beauty. Nobody is able to achieve this completely, but the striving for such achievement is in itself a part of the liberation and a foundation for inner security. " --Albert Einstein