That's just for starters. You'll also be able to view performance graphs for your PC, see all the programs that run on startup, check IE add-ins, see what drivers are in use, and plenty more--it can't all be listed here. SystemExplorer is a remarkable piece of work, and given that it's free, it's more remarkable, still.
Note: This program is donationware. It is free to try, but the author accepts and encourages donations towards further development.