so I like to burn films, hence the DVD-RW coming into play - Pioneer 106

or should i go for more RAM, 2x512mb Kingston PC3500 (rated @ 2-2-2-6-1 according to the reseller)

im unsure what to buy. If any. currently got 2x256mb TwinMOS PC3200 CH5 ram, getting DFI mobo w/ 3.3v vdimm etc. etc.