Yep all you will need is a DVD recorder Philips do a good low cost version DVDR 3380 and a Philips DVD+RW ( this is the type that you don't need to finalize before you can use it in your PC)
All you have to do is make a connectiion to the video out of the Sky box using the suitable connection normally a SCART lead in to the EXT1 or EXT2 of your DVD recorder.
Play the Sky program in your planner and hit record don't forget to select the time you require 1 (HQ) 2,4 or 6 (SLP) hours. It will take as long as the program take to run to record it.
The best way to get the DVD-Video into your PC is to use the excellent TMPGEnc v4.0 Xpress
from Pegasys use the Souce Video Wizard.
Then select the DVD-VR button this will read in the DVD content and then allow you to edit it and re-encode to almost any format.
If you select over 4 hours or recording most DVD standalone recorders will revert to Half D1 this equates to 360x576 instead of the Full D1 resolution of 720x576 (standard PAL for DVD-Video) you will need to use this filter to convert the half to full download it here Half D1 to Full D1