Just in case this helps anyone:

Me, 29, 12 years NCB, 6 points
Missus 29, 12 years NCB, 6 points

Car is a 20VT, no mods, kept on a driveway in High Wycombe.

Insurance is fully comprehensive, £250 excess

The quotes:

Tesco - £1524 (!)
The Policy Shop - £850
Elephant - £802
Bell Direct - £769
Admiral - £705
Greenlight - £587
Noel Dazeley - £480
Adrian Flux - £420

Naturally I went with Adrian Flux (for the second year in a row).

Matthew