dfw restore?

since I first started using my ipod touch, I've noticed that it freezes a lot in the preferences pane (specifically when I tried to delete more than 2 apps at once). when Apple Bay St did diagnostic testing, it stated that there were 35 memory issues, so we did a DFW Restore. Since then, my iPod Touch has been having many crashes (it crashed 4 times while watching a recorded show with X1 alone, and while running a diagnostic test apple sent me via email today!) it also stopped responding to my touch in the mail app, but I was able to get back home. I have yet to see it get to a point that it ends up rebooting on its own, but I just don't understand why it does crash nearly 10 fold since before the DFW on Saturday. One major issue I've had since I took it out of the box is that when I updated my apple ID like specified to, my iPod made a major typo that I didn't catch until after the iPod was setup completely, and I'm unable to get my account unblocked because I never received a password reset email, and iForgot says my birthdate is invalid too! while I was in the process of getting genius bar assistance, I got applecare because this ipod seems much worse than my 2nd gen ipod touch has been since it was replaced in 2010. Should I try to get a replacement iPod, or is there something I can do before wednesday at 3:10 pm (I'm taking it in to a genius at the SF store this time, and bringing my laptop with my iTunes library on my FW 400 drive)... Thanks!