yeah, its summat like a TV out card that plugs into the PCI slot of you're computer. Then you send the AV cables from sky box to computer. not entirely sure thats wat i need to clear up, tried googling but not many good results. not sure if any special software is needed either
Without taping it or attaching it to a DVDr, you need a TV card for the PC. Problem is it's a lot of hardwork and quite tiresome.
Alternatively Could get a DVD recorder with a hard drive - got mine for about £160. Download from Sky+, edit as you wish on the hard drive and then write to DVD.