Has anyone gotten an ad blocking host file to work correctly in OS2008?

As a test example can anyone manage to get rid of the ad on the right hand side of http://reddit.com ?

Most of the time I'm surfing on a 2g gprs connection and excessive ads can really ruin it. I know I can turn off images but that's not a really effective solution for a lot of sites (Although reddit is fine I admit).

I'm just hoping someone ports adblock to the OS as soon as possible.