Sure, go to 302... I did on my 2 4160b's and like you, I have been really pleased with results.
I have used the least costly media I could find and have had no home player issues with + or - media. This was a surprise to me with respect to an older Sony player that I was certain would not accept dvd+r
As Kenshin mentioned, no worries about the OEM thing... the drive will accept the flash.