Securing my data when recycling iPod at the Apple Store I'd like to get a new iPod touch, I'd also like to not have to re-input all my contacts and notes (don't mind clearing out the apps) but I want to make sure of two things before I go in and take advantage of the 10% discount at the Apple Store.


Can I backup my data on an as updated as possible 2nd gen iPod and restore it onto a shiny new 4th gen iPod?
Can I make sure (within reason) that my data is cleared off the iPod when I turn it in to the Apple store?
Yes, your backed up data in iTunes from your 2nd gen iPod should be able to be restored into a new 4th gen iPod, based on my experience upgrading from a 1st gen iPod Touch to an iPhone.
Regarding clearing data, check out this ZDnet blog post. It includes information about the Erase all Content and Settings option that you can use to wipe the iPod, including a quote from Apple Support. More specific details for all Apple iDevices can be found on this Apple page.