I just purchased this leather case from ebay:
http://cgi.ebay.com/ws/eBayISAPI.dll...ht_2899wt_1013
If you are using a Evo without an extended battery or Seidio case, it will fit perfectly with plenty of room!
If you are using a 3500MAH battery OR a Seidio innocase2, it'll fit SNUG. You'll have to leave it in there overnight, take it out and put it back a few times before it'll stretch.
I use that case without ANY problems with my extended battery or with my Seidio Innocase2. The other option is a $40 custom case. This one works perfectly.
The belt loops on the back are super secure. The magnetic closure could've been a little better, a snap would have been awesome. But for the price, you can't complain. The only way to get something better is to pay $40 for a custom made one and wait 3 to 6 weeks for it. This arrived in 3 days.
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Isaiah 43:2 When you go through deep waters, I will be with you. When you go through rivers of difficulty, you will not drown. When you walk through the fire of oppression, you will not be burned up; the flames will not consume you.