At this moment you can't jailbreak the dsi. Refer to dsibrew.org for updates on it though.
you cant. Whoever told you that is lying.
You do not Jailbreak iTunes; you jailbreak iPods and iPhones.
You jailbreak the firmware.
Yes you can. there is a new jailbreak out called "spirit". Google it "spirit jailbreak"
Updating the iPod Touch software erases the jailbreak. You can update, but it will erase your jailbreak.
No. Your jailbreak will remain as it is. Syncing your iPod does not alter the jailbreak in any way.
You can't jailbreak it!
Can you jailbreak a coby kyros
Do what you originally did to jailbreak it in the first place.
How to jailbreak my iPod touch
you can not jailbreak an xbox 360