Oh, wait, one thing :p
e2fsprogs 1.14.4 was released a while ago with some fixes, including a bugfix for resizing ext4 partitions. It's not in Arch's repos yet (it is flagged out-of-date) but IMO it should be soon, so it can go on the CD.
I tested the i686 and x86_64 ftp img's. No show stoppers.
Only minor (able to fix before next CD) bug I found that has not yet been discussed was http://bugs.archlinux.org/task/13038
Great work, RE team!