Hi thedeemah,
I've found some .cs files in the DNN_Store_Source.resources file. Rename it .zip and extract. http://88.191.55.88/Screenshot-20090126-205716.png
I've not the time to get my hand on code, but with a first look, I can't see any AddressEdit.ascx nor AddressEdit.ascx.cs.
I don't know where is ploum (Gilles Lepigocher, team leader on WWStore project), but if you don't find the answer to your problem, I encourage you to contact him in private. Send me an email at 6e62cjnoziawgsa@jetable.org and i'll send u his private mail.
Cheers,
Seb