Crutchfield.com has 3 models of 4x10s. Kickers are nice.
Kicker KS4100 4"x10" 2-way car speakers at Crutchfield.com
Kenwood KFC-415C 4"x10" 2-way car speakers at Crutchfield.com
Pioneer TS-A4103 4"x10" 2-way car speakers at Crutchfield.com
Kicker KS4100 4"x10" 2-way car speakers at Crutchfield.com
Kenwood KFC-415C 4"x10" 2-way car speakers at Crutchfield.com
Pioneer TS-A4103 4"x10" 2-way car speakers at Crutchfield.com