I've been browsing and searching the forums here to find information about jailbreaking my 32gb 3G ipod touch with the 3.1.2 firmware. I understand the difference between a tethered and untethered jailbreak and that I won't be able to perform an untethered jailbreak until some time this summer perhaps. I have some questions about a tethered jailbreak. Let's say that I use blackra1n to perform a tethered jailbreak. I have some apps that I purchased from the official app store. As far as I can tell, they should still work once I use blackra1n and install Cydia. Once I have jailbroken, can I still use the app store in Itunes and on my ipod to buy legitimate apps? (1) Once jailbroken, there are "illegitimate" app stores. Can I buy apps from one of the jailbreak app stores, remove the jailbreak, (so I can turn off my ipod completely and back on without a computer) and keep the illegitimate apps in my non-jailbroken state? (2) Itunes has been backing up my Ipod, so I'm not worried about restoring the official apps, music, etc. once I restore back to the official 3.1.2 firmware. I have heard talk about making some sort of complete backup after jailbreaking. Should I do this in the rare case that I might need it at some point in an emergency? If so how should I do it? (3) As much as I would love to have an untethered jailbreak, I can understand that they want to wait until more people can use it.