I read 'em all, that way I have a chance of actually learning something. When I post I'm just recycling what I already know.
As my dad used to tell me "You're too soon old and too late smart"
Didn't really understand it at the time.
You young guys are light years ahead of me in some respects: you had the advantage of technology at a young age. I never even turned on a (PC) computer until I hit 40.