I wouldn't mind having one of these...it would be cool to use for airsoft or even to hunt with. Worn in Israel (similar climate) so I think it wouldn't be too hot for here:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=588&item=6523959598Vest main features:
3 POUCHES TO HOLD THREE 7.62 NATO or 5.56 NATO SIZED MAGAZINES IN EACH
4 STANDARD GRENADES POUCHES
2 REAR I.V. SOLUTIONS BAG HOLDERS WITH QUICK LOWER RELEASE STRAP
1 LARGE POUCH ON THE LEFT SIDE TO ACCOMMODATE VARIOUS MEDICAL GEAR
1 LARGE SIZED CARRY POUCH IN THE LOWER REAR TO ACCOMMODATE VARIOUS MEDICAL GEAR
1 LARGE SIZED DETACHABLE BACK CARRY POUCH WITH ONE INTERNAL POUCH FOR A COMPLETE RADIO SYSTEM
1 FLAT MAPS COMPARTMENT ON BACK-POUCH
1 HELMET HOLDER
1 KNIFE HOLDER
1 DOUBLE CLEAR COMPARTMENT
8 PEN FLARE (STICKLIGHTS) POUCHES
ANTI-SLIPPAGE RIFLE PAD ON RIGHT SHOULDER
1 ROPE/PARACHUTE FLARE POUCH ON BACK
VELCRO CLOSING POUCHES
THREE STRAPS + VELCRO CLOSURE FRONT
QUICK RELEASE FASTEX CLIPS
FULLY PADDED, REMOVABLE PADS
ADJUSTABLE WAIST SIZE
OLIVE DRAB COLOR
Of course it isn't modular, but has a crap load of pouches......