About the "Sign up to help me win a Free Mac Mini, and refer friends to win one too!"... went there, and they're one of the lousy sites which require all your info before they spill the beans, which in this case isn't just sweepstakes, it's a "get yourself into one of the following marketing schemes first"... and then we'll tell you more.
Besides, nothing they offer sounds attractive to me. Now if I start getting any phone calls from telemarketers, I may try to cash in on the "My phone is registered in the do-not-call database, and I may sue you up to $11000" line.
And I went there just because it was in your tagline...