This means that they totally blow Feedburner Email subscription away as far as features are concerned.

Apart from one important aspect.

Exclusive: Aweber Will Soon Report Email Sububscriber Numbers To Feedburner

In the announcement Justin Premick mentioned

This is just one of a number of enhancements we’ll be making to the Blog Broadcast tool. Stay tuned…

I probed a little deeper and we can expect to have counts reported to Feedburner in the near future, but no specific time frame.

What Does This Mean To The Blogosphere?

Internet marketers who concentrate on email subscriptions from their blog using Aweber will soon be able to benefit from the same social proof as if they were RSS subscribers. I know a few marketers that previously only had a few thousand RSS subscribers who will suddenly be propelled into similar subscriber counts as… Techcrunch 600k+

I think that shakes public perception up a little

A Confession About Feedblitz

Feedblitz also have this capability and a bunch of cool features, and I exchanged emails with Phil Hollows 1st December after an exchange of comments both here in the past, and on Problogger.
There seem to be a number of ways that Feedblitz could meet my needs for email in the same or similar way to Aweber, though it might take a little work with existing scripts

I really need to spend some time on full evaluation, but my house move and subsequent lack or intermittent connectivity has disrupted my workflow.