If you live in the US or Canada then the iTunes 10.3 beta is ready to rumble. Automatic downloads and access to your purchase history is limited to iOS 4.3.3 users on the iPhone 3GS, iPhone 4 (GSM only, sorry Verizon subscribers), and 3rd and 4th generation iPod touch devices. Once you meet those requirements, the iTunes in the Cloud beta promises to keep all of your newly purchased iTunes music in sync between devices while giving you the choice to down
