I see they do a long handled Roughneck now Kev and quite a range of other shovels and spades.
The other thing that might be worth looking at is large range of shovels used by metal detecting lads.
This is one it was bought for my by my family (not cheap mind) carbon fibre, extendable, come in two light as f**k. Made by a one man band in his shed its called "Megraphta".
Cheers Arry