hi keb,i love key lime pie too and i know this will be hard to believe but i was at another site and there was a recipe there for it which turned out FANTASTIC,even if you dont like the taste of cream cheese u cant taste it in this.....

2 boxes lime sf jello
1 box cream cheese
3 packets splenda
mix jello with 2 cups boiling water and 1 cup cold water,in sep bowl mix cream cheese with splenda and add it to jello put it in a round cake pan and chill in freezer until set,it is great tammy