Dual Sim adapter

[Badfoot]

Has anybody tried one of these, I'm thinking of getting one but would like the benefit of anyone's experiences with it.

http://www.dealextreme.com/details.dx/sku.41432

ps. Especially with 2 different carrier sims in an unlocked 3gs.

 

[DJBenE]

Looks interesting. This is the first time I've seen something like this. That leather case doesn't look half bad either.