Which Meida to use to burn PS@ backups with?

[jojo92]

Im making a backup of 007 Nightfire and I have tried the Record now guide and have used DVD=RW&DVD-RW I have a Vers#1and im using the NEOchip,I have a Sony DRU burner with REcord now,Should I try Primo it says in the guides to use DVD-R and Im using -RW would this acount for my problems Thankyou.