I agree, certainly. There's very little in the way of "dead weight" when it comes to exploration in Fallout 3, there are dozens, maybe hundreds, of little "vignettes" scattered around the map, like the prewar house with two skeletons entwined on a bed with drugs around it, or the bomb shelter with meticulous junk statues and plungers stuck to the walls. It's a shame they punish the players by making them hit level 20 by the time they've explored barely 10% of it all (there are mods already out that address this, with the PC version anyway)