If you use AA batteries, the smart move is toward rechargeables. Modern battery technology leaves little reason to use throwaway alkalines for most applications. I've known this for several years, and now the December issue of Consumer Reports has come to the same conclusion.
My recommendation is simple. Buy a La Crosse smart battery charger and a supply of Sanyo Eneloop rechargeable batteries. I'll give shopping suggestions later on.
Is your hard drive filling up and running out of free space? And you have no idea what's hogging all the room?
Here's the solution: A nifty utility called WinDirStat. Its graphic display of your hard drive lets you quickly identify the largest files and directories. And it's free.