I just got an F600 and was wondering if there are tires out there better suited to my riding. I ride in middle NH (lakes area) so I see rocky trails often. I ride loose dirt occasionally, but more packed and rocky stuff. really love muddy conditions too. is there a tire that will do all this, or do I need a set of dry and a set of wet? have the stock tires on it right now, hutchinson scorpion 2.0 I think. thanks