I like the idea, I also like the idea (you didn't explicitly mention) of replacing enchantment capabilities with better non-enchantable equipment, but a "Nano-Bow" sounds silly to me in style. I think I'd prefer a poison mini-crossbow like in Deus Ex or something like that.
But then again, that doesn't mean I'm against the idea.
The reason I said nanobow is because well, we already have the nanosuit and... ummm