Is there a website advertising tradesmen?

[dble8]

Hi,
Just wondering if anyone could give any comments on any or all of these sites from the tradesman's viewpoint?? I'm thinking of signing up but would like to hear first-hand if any of them offer value for money e.g. did you actually get work from them?? Or never hear from them again after handing over the signup fee?

Thanks,
bobjim

workbidder.ie
yes i have work from here and you can see the potential that it can have going on the uk site etc