QUOTE(sly_wolf @ Feb 18 2008, 01:51 PM)

Oh forgot to also ask .... I assume that I would send original affidavits?
Steve
Don't have any experience with this as when we filed in March last year it wasn't a requirement to send proof of relationship. Generally USCIS only requires photocopies, however I would be tempted to send an original.
As for the mailing address:
Petitioners who reside in AK, AZ, CA, CO, Guam, HI, ID, IL, IN, IA, KS, MI, MN, MS, MT, Nebraska, NV, ND, OH, OR, SD, UT, WA, WI, or WY are encouraged to file their stand-alone Form I-130s with the Lockbox using the following address:
USCIS
P.O. Box 804625
Chicago, IL 60680-1029
Petitioners who reside in AL, AR, CT, DL, FL, GA, KY, LA, ME, MD, MA, MI, NH, NJ, NM, NY, NC, OK, PA, Puerto Rico, RI, SC, TN, TX, VT, VA, U.S. Virgin Islands, WV, or District of Columbia are encouraged to file their stand-alone Form I-130 with the Lockbox using the following address:
USCIS
P.O. Box 804616
Chicago, IL 60680-1029
link