One is sold, one still for sale. As far as the other questions:
1. Is the system ready to go as in just add lights? - Yes, with the exception of the regulator mentioned in the original thread
2. Is a DMX dongle included? - No, just the wireless receiver module
3. How many amps per channel and how many amps total? - 2 or 4 max per channel (4 I think, but check the forums to be sure) and 40 amps total per controller (20 per input)...whichever comes first
4. To add more channels do you Daisy chain another Express Controller? - Correct
5. For a newbie which is the easiest software to learn - I use Vixen and it is pretty easy for me. I understand that light show pro is pretty powerful, but may be harder to learn