Thoughts on this. I am sure some will not like a holster in general but would like one for working out.
http://www.case-mate.com/iPhone-4-Cases/Case-Mate-iPhone-4-Carbon-Fiber-Case-Holster-Combo.asp
http://www.case-mate.com/iPhone-4-Cases/Case-Mate-iPhone-4-Carbon-Fiber-Case-Holster-Combo.asp