Thanks, I love me some Kölsch. Just made a batch not too long ago for Halloween, and everyone loved it. Just a nice balanced brew.
Some ideas I've been kicking around are:
NZ "Kiwi" IPA (NZ Pacific Gem, NZ Rakau, NZ Hallertaur)
Nut Brown (Pilgrim, Goldings)
Wheat (Opal, Saaz)...