Server PCtuning.cz compares new ATI and nVIDIA drivers. You can found there benchmarks with:
nVIDIA Force Ware 52.16
nVIDIA Force Ware 53.03
nVIDIA Force Ware 56.64
ATi Catalyst 4.1
ATi Catalyst 4.2
ATi Catalyst 4.3
DNA Catalyst 4.3
Omaga Catalyst 4.3