Another one, though is smaller then Taipan:
http://store.razerzone.com/store/raz...ctID.221846300
And if you are a fan of Tron is even better
L.E. And again another one:
http://steelseries.com/products/game...specifications
I can't find infos about the size of it.
Last One:
http://steelseries.com/products/mice...specifications
This one has one button on each side and is as big as Taipan