... Dunlop Trailmax 607 - 4700mls, grippier wet and dry than Tourrance 'standard', last 1000 miles the 'white-lining' was pretty bad though
... Tourrance - 9000mls, less grippy wet and dry than 607s but better on loose surfaces (I don't do off-road per se, unless it's the carpark at Waitrose), only in last 500 miles did they get skittery, despite starting to square off relatively early in their life. Front looked shot after 2000 miles, but then it just sat like that for the remaining 7000.
... Bridgestone BT020 - 4300mls just, shot to bits ... but oh what fun on the road, even the last 500 miles of squirrelling back-end. Too expensive for high mileage biking, plus you're back in the shop too often to replace them. But ... can I say it again ... OH WHAT FUN ... too much fun to square off even!
... I change front and rear together a) because I'm still trying different brands on the GS and I don't want a mis-match, b) because worn tyres are more puncture prone.
... Due to change the 020s when I get back home in a couple of weeks, I think I'm going to try the Avon Distanzias as I've got some 'hybrid' riding planned rather than pure road (and Waitrose

). Better price than Tourrance, or BT020, but should (based on forum gossip) last a thou' or two longer than the Dunlops which were actually pretty good for a 'hybrid' handling wise.