I'm actually playing Fallout 3 and I don't really like exploring in this game either. Yeah it's much much better than Oblivion and yeah there is worthwhile stuff. But the worthwhile stuff is just weapons with better stats, I kinda understand why they can't give like magic weapons and stuff that gives you magic shield or summon spells because it wouldn't make sense but you know, between finding a legendary artifact of awesome power or a unique weapon with more damage and accuracy..
I really like the game though ! It's just that I don't play it for item hunting.
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Best LPer ever, Gix ! : http://www.youtube.com/watch?v=Vt5YKmP7ecY