Pink Ladies.
They seem to be the most expensive, though.
( Esme Weatherwax I swear on my tash it's daycent hash, Wed 1 Jul 2009, 17:37, archived)

Tescos were doing them for £2.39 a bag
or two bags for £2 for about three weeks.

They've stopped now.
( NobbyNobody 21 years a b3tan, Wed 1 Jul 2009, 17:39, archived)

That's quite good.
Aldi in Waterford sells four of them for 49c, which is very cheap.
( Esme Weatherwax I swear on my tash it's daycent hash, Wed 1 Jul 2009, 17:40, archived)