Cool56, first, the newest firmware for your drive is 1.29, not 1.23. www.rpc1.org
Secondly, the Riteks you are using are pretty lousy, try getting some Verbatim +DLs and give your burn a whirl. Post back and let us know. Also set your burn speed to 2.4X not max, as this is the speed those discs are rated for.