Try to remove the remaining parts of RP with CCleaner:
http://www.ccleaner.com/download/(free)"]http://www.ccleaner.com/download/(free)[/URL]

What burning program do you intend to use for burning the DVD's??
I personally use Nero and others here DVD Santa. Both seem to be quite good.
If you don't want to spend money on a burning program, you could take a look at nonags.com to get some free ware:
http://www.nonags.com

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"Never Argue With An Idiot. They Will Drag You Down To Their Level, Then Beat You With Experience"