We were considering an article on this topic, but our own Lex Friedman had already worked through the possible options for an old iPad in an article for Macworld. So if you’re pondering what to do after upgrading to an iPad 2, check out his advice. follow link
View Extra Audio Details in Snow Leopard
In Snow Leopard, Option-clicking the Volume icon in the menu bar displays a list of sound input and output devices. Choose one to switch to it; it's much easier than using the Sound preference pane. Also, hold Shift and click the icon to set the system volume, which is separate from the general output volume.
- ExtraBITS for 14 March 2011 (14 Mar 11)
What to Do with Your Old iPad
Luckily, there's no need to deactivate an old device or anything like that; apps are tied to an iTunes account, not to individual devices. (iTunes accounts are tied to Macs, though, so if you ever get rid of a Mac, it's easiest to choose Store > Deauthorize This Computer before you reformat the hard drive.)