I just read on our town email list what one person has tried and had success (so far) with keeping the deer out of her garden. So at the risk of making us sound a bit silly up here (Vermonters can be so creative when faced with a problem and the nearest store is 40 miles round trip! ) this is what she has tried...
Using those long foam "noodles" kids play with in the swimming pool, cut some long sticks to use as posts and thread them about half way up into the noodle. Then "plant" them so the noodle flops and wiggles in the breeze...if nothing else they will give your neighbors something to talk about