Here's a tool Windows 7 Forums - View Profile: ICit2lol
introduced me to and it is very helpful. It has serreated jaws to firmly grip and can lock on some smaller items. It's very useful, I've so far used it to hold small screws to put them back into their holes, put front panel connectors on, and to hold wires for soldering.
Search eBay for "Mosquito Forceps" - you won't need OR grade ones to hold some small parts.
Please add your own suggestions.