The Gross-Out: You People Are Disgusting :ahhh:

[deadlegion]

That saddens me . I'll give it a go provided it isn't too pricey.

Might be where you are. You could always import if it's cheaper and you have a multi region DVD player.
DVD sets are probably cheaper and upscaling would be fine for something like that. BBC don't go nuts on remastering for BD afaik, in fact I'm not even sure the earlier series are available on BD (haven't checked recently). The more recent stuff should be on BD though as it was done in full HD anyway. There were digital releases for those.

You could just