Hey Mords, I was thinking about you and decided to look around the web a bit for delivered Kosher meats. Some options but not any less then you are paying now. However, I found a couple of Temples, Shuls, (not sure of the terminology) that do either a co-op thing or group buys. Maybe you can get something similar setup there in NY for you and your Jewish friends? Buying as a group and through a temple should get you not only commercial rpices but bulk rates as well. Here are two linkw I found (and those CA prices look really good - $5.50/lb for whole Kosher brisket)
http://www.uscj.org/neweng/lexingte/KosherMeatCoop.html
http://www.chabadranchomirage.com/koshermeat.htm
Kevin
http://www.uscj.org/neweng/lexingte/KosherMeatCoop.html
http://www.chabadranchomirage.com/koshermeat.htm
Kevin