In reality, I should be thinking "Halloween? Already???!" but yes, I have already purchased Stewie's costumes. Here they are:
This one is only $7.99
http://www.petedge.com/shopping/prod...ProductID=3938 http://www.petedge.com/shopping/prod...ProductID=3231
and that one is $4.99. Can't beat it.
I haven't decided which one is is going to be yet.