actually freeview hdd recorders are ten a penny. It's the component out I'm sure Richard is finding difficult to source.
Personally I wouldn't bother. SD digital TV is that crap quality it'd hardly benefit.
However after a quick search I find the "Topfield 5800", while not having dedicated component out sockets, does allow you to configure one of the scart sockets to component out.
Try this linky...
Currys - Shop for Personal Video Recorder - Topfield 5800PVR T Digital TV Recorder
if it doesn't work due to curries *******ised website, just search for Topfield and currys.co.uk