I bought this setup for the wife to run and I really like it. I'm thinking about getting rid of my APC and picking up another one. This setup with a belt holster for your pistol and hydro carrier would be a nice minimalist setup.
http://www.hsgi.us/proddetail.php?prod=HSG-DDTCombo&cat=46
Also, something that really hasn't been mentioned is knee/elbow protection. I don't know about everyone else, but I will definitely be running some knee pads. I've found out the hard way that they are very necessary. I've been running these and really like them:
http://www.skdtac.com/Alta-Superflex-Knee-Pads-p/alt.602.htm
http://www.hsgi.us/proddetail.php?prod=HSG-DDTCombo&cat=46
Also, something that really hasn't been mentioned is knee/elbow protection. I don't know about everyone else, but I will definitely be running some knee pads. I've found out the hard way that they are very necessary. I've been running these and really like them:
http://www.skdtac.com/Alta-Superflex-Knee-Pads-p/alt.602.htm