New script goodness!!!
Distribute Stacked Objects is a script I cooked up to take any number of selected objects, and spread them out a bit. The script doesn't create an exact grid, but it does prevent objects from overlapping, which is handy if you've just imported 50 .eps icons. Take it for a spin and see if it improves your quality of life. I've tested it on CS5 for Windows. Good luck, and happy illustrating.
right click here to acquire.