In reply to Sam Mayfield: Oysterband/ June Tabor Ragged Kingdom is really very good indeed. It's won awards 'n' everything. Probably won't have the Blue Straggler Hipster seal of approval, though.
Ignor BS re Show of Hands - I reckon they'll be right up your street. And of course them and Seth Lakeman ARE from up your street, or Devon at least.
You might also like Chris Wood - try Handmade Life, though Trespasser is also good
If you haven't already, get some Nick Drake