1. Tailor Maid. Able to add clothing piece by piece from different outfits.
http://www.fallout3nexus.com/downloads/file.php?id=5424
2. Hair pack, new hair, yay
http://www.fallout3nexus.com/downloads/file.php?id=1146
3. Wearable backpacks. Simply for aesthetic/RP reasons, but they do allow you to carry more weight.
http://www.fallout3nexus.com/downloads/file.php?id=2553
I know it will probably take a while for anyone to come out with any mods, i just hope people actually bother.