approval form sending tomorrow...xbox 360?

I've been trying to find some news on 360 but couldn't really find any, i'm gonan send in my approval form tomorrow, so i have a few questions

1. should i make a photocopy of this?

2. if i send it in tomorrow, when is the eta of my xbox 360, i know it'll be a while, but are we talking mid-summer or what?

3. what else should i make sure to do when mailing this in other than use tracked mail?

Thanks!