The way you describe whinlatter it sounds ace, just my kind of mtbing. Will have to check it out sometime. Not a big fan of grisdale myself, found it frustrating that the descents we too short and I never felt like I got much speed up. Only been the once (I did ride back up the road to repeat the final descent and still felt it was too slow), maybe my judgement is hasty but that's how it felt to me