Because the English version is buggy as hell!
I use the Spanish version from time to time for a client-less wep test, but apart from that its a total pain in the ass......
Though maybe the OP should have a look at airoscript and see if he can pick up any coding hints or ideas.....
TT
Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning.