gdgt's best deals for July 24: 47-inch LG LED 3D HDTV, HP Officejet Pro All-in-one

Ready to save some cash on your tech buys? Then you've come to the right place. Our sister site gdgt tracks price drops on thousands of products every day, and twice a week they feature some of the best deals they've found right here. But act fast! Many of these are limited-time offers, and won't last long. Today's hottest deals include an eye-popping price on a sexy 47-inch LG LED 3D HDTV, an intriguing sale on HP's high-end all-in-one and a slew of cheap products for students and professionals...