http://www.aximcases.com/store/detail/pamdcx50beb.html
This looks like a very sturdy case. I have been thinking about getting an extended battery (2200 MHz), so this would be perfect. I have heard a lot of people speak very highly of PDair and that means a lot.
I have a Krusell and I love it, but it cannot hold an extended battery.
Unworthy Servant of God,
Ignatius - priestmonk