I have also had Allstate for many years and here is my breakdown:

2005 Chrysler Crossfire Roadster Limited $532.00 bi-annually
2006 Cadillac XLR $316.25 bi-annually
0 deductible and $300k property and $500k medical, full cash value replacement.

1993 Thunderbird Super Coupe $112.00 bi-annually (liability only)

They also hold my homeowners insurance on two residences.