check these out:
KMC Wheels 187 GTX Black with Polished Lip
http://wheelstudio.com/catalog/wheels.php?vehicle_make=Chysler&vehicle_model=300C %20>%202004-&mw=10&d=20&bp=5x114.3&let=10&het=20&hb=70&t1=2 55-45r20&t2=&t3=&staggered=yes
http://www.victoriatire.com/w_car_se...html?pkg_tire=[pkg_tire]&make=CHRYSLER&make=CHRYSLER&model=300%20SRT%20 05-07&size=20&ET=ET%2020&BP=5x115&NEW=[NEW]&command=search&db=databases/wheel.db&woPACSILPRdata=E%5D&PACSILPRword=sw&grSTA TUSdatarq=0&STATUStype=num&group1field=BP1%20BP2%2 0BP3%20BP4%20BP5%20BP6%20BP7%20BP8%20BP9%20BP10%20 BP11%20BP12%20BP13%20BP14%20BP15%20BP16%20BP17%20B P18%20BP19%20BP20%20BP21%20BP22%20BP23%20&group2fi eld=ET0%20ET18%20ET20%20ET35%20ET40%20ET45%20ET60% 20&eqGROUP1datarq=5x115&eqGROUP2datarq=ET%2020&eqC DWHSZdatarq=20&bwBRANDdatarq=PACKAGES&PACKSZsumm=T &SKUsort=1&SKUdir=as&max=10&startAt=151 this one has all 20" wheels, chrome and black
I've been looking too. Waiting on a price list from US Wheel to become a dealer for their Forged Wheels and Bonspeed wheels.
Hope this helps.