UPDATE: Looks like neither Skynet's first strike nor a Cylon invasion were to blame, but a power failure in Michigan. AT&T has put out a press release (via Chicago Breaking News -- Thanks Jeremy!). Here's hoping everyone gets their ubiquitous connectivity back ASAP.
How's it holding up in your area? Loud and clear, or data fail?
Let us know in the comments, or join in the TiPb iPhone forum discussion.