Good Gear Guide
In Pictures: 13 highly productive Android apps tha...
Tasker doesn't directly meld with your PC, but it's just so insanely useful that I couldn't leave it off the list. This handy-dandy app lets you automate virtually every aspect of your phone, using customizable "profiles" that launch specific actions when certain criteria are met.
For example, you can have your phone disable its cellular modem and connect to Wi-Fi when you're at home, automatically start playing music when you're near your Bluetooth-equipped car, turn off your GPS and Bluetooth to save juice at work, or even—if you want to get really creative—tackle super-specialized tasks that can help you get things done for your specific line of work.
In Pictures: 13 highly productive Android apps that play nice with your PC