Only available provider:
http://www.amazon.com/dp/B002ASHVXE/...0&linkCode=asn
"Usually ships within 1 to 3 months"
http://www.amazon.com/dp/B002ASFRK8/...0&linkCode=asn

I'm guessing they hit a bump in the binning process. I don't think it will be history (yet) but there may be about 3-4 more weeks before we see them again.