normal if it doesnt do it a lot but if it constantly does it i would restore it if that doesnt work and your iPod hasn't been jailbroken then bring it in to the apple store or get a support ticket from apples website. remember if you are in Canada you must type in http://www.apple.ca if you are in us type in .com.
No you can not ring off a ipod touch 2nd gen
for that you can get a 2nd gen out of eBay
The iPod touch 2nd gen is the newest one. It is thinner, and It has the app store. I believe it also has higher storage options.
I think
if you have a warranty go back and exchange for a new one.
YES! Shazam works on Ipod Touch 2nd Gen. I called the Apple store personally yesterday. It works on 2nd Gen. only, not the 1st Ipod Touch. The Ipod Touch 2nd Gen. has a built-in speaker where the 1st Ipod Touch does not have the speaker. For Shazam to work you will have to buy a mic to plug into it to record the sound. You can call the Apple store at 800-MY-APPLE and find out for yourself if you like.
No currently there is no jailbreak available for the ipod touch 2nd gen
no
you cant
yes
Either the iPod nano or the iPod touch 4th gen+. you could also get an iPhone or iPad 2nd gen+
Yes the iPod touch 2nd gen. can play videos in HD.