I use Infiniti & TDK both have worked with no problems, 4 me & my 1100-A. Software has been a bug 4 me.
A thought life is to short to try & contavt Dell by phone, live your life don't waste it!!
I've had good luck with Verbatim Data Life Plus DVD +R % +RW's.
1 Vostro 430 - i5-650 3.2 GHz - 4GB DDR3 - Win7 Pro
2 Vostro 220's - Core 2 Duo E8400 3.0GHz - 4GB DDR2 - WinXP Pro