Just a note regarding the feet
The feet you used with the 7700 and the 11000 will not fit on the 12000. The 12000 has new wider feet because of the wider ankle connection due to the 9mm stitch width available on the 12000. So any of the Acufeed feet that you had for the 7700 will also not work plus any specialty feet you have that don't come with the 12000 will need to be replaced, when they decide to make them available for the 12000.
I also found out that the Acufil hoop that was included in the 11000SE upgrade that everybody seems to want doesn't come with the 12000. There is no stipple files for the 12000 and no Acufil hoop for the stipples. They said they would introduce it in the first upgrade to the 12000.
Please weren't too happy about that.