would be useful I think..

Tires are very very critical components as they are the only connections between road and you when you are flying

Generally I follow tests by some magazines , some net sources ,from tire shops and from OOF..
here are some experinces from used tire info
Micheline Energy - long life but bad grip [smiley=thumbdown.gif]
Hankook -long life -avg grip [smiley=thumbdown.gif]
good year ventura-long life and above avg grip [smiley=thumbup.gif]
pirelli p6000 - medium life -avg grip
goodyear excellence - long life -good grip [smiley=thumbup.gif]
good year hydragrip -long life -very good grip in wet but low comfort.. [smiley=thumbup.gif]
bridgestone Turanza er300 - above avg life , good grip and comfort.. [smiley=thumbup.gif]
bridgestone potenza- definitely all series deserve the ratings [smiley=thumbup.gif]
kumho ku31 - although a budget tire the friends who used recommend it and tests results are ok [smiley=thumbup.gif]
which I can remember now

edit:
for winter :
lassa snoways [smiley=thumbup.gif]
goodyear UG 500, ug7 [smiley=thumbup.gif]
bridgestone blizzak [smiley=thumbup.gif]