Have burnt some DVD-R's from my 'faces' laserdiscs using a stand alone Panasonic DVD recorder, but I think the PC route is probably better as you can correct the colour, and make the black bars truly black. The colour balance on Empire in particular is terrible on my laserdisc.. it looks very washed out, and the digital noise reduction THX used for the hoth sequences looks really bad as well. I will be interested to see how your version looks.
Love all this home-brew Star Wars DVD stuff :-)