Whippet definately, don't need a lurcher, that's what a whippet was bred for.
But a lurcher whippet greyhound collie if you must have a lurcher.
ill second that mate, my mates got collie/greyhound/whippet- 6yr old shit hot on comands and retreiveing, but aint got a patch on my 16month saluki/whippet. last outing 10slips, 9 bunnies, mostly taken in small fields.
funny thing pencoedhunter i bought her of a breeder in sarn!