Any One Know The Speeds Of These 3 USB Drives

Any one know the speeds of these 3 drives

SanDisk Cruzer Micro Skin 4GB
Integral Courier 4GB
Kingston DataTraveler 4GB

SVP has the Integral one down as up to 10.5MB Read and 7.24MB write, there site had the speeds down as a lower write speed, I tested an old version of the courier (512MB) and it had a write speed of around 3MB.

Atto 2.02

Some read tests:

Kingston Data Traveler 4 GB

Sandisk cruzer micro 2GB (3 for 11,99 €)