If you go to minecraft's website and play it in the browser and tell it to connect to the teh server is it really connecting? I did it but it doesn't look like the real teh world to me.
Wtf, iron is all over the place. Diamond, though: it is a cause for celebration when you discover diamond. Just don't fall in some lava after you pick up the diamond.
I found them, I was so pleased with how many I found. Then there was a one-square hole just after a one-square drop. So basically a goddamn trap. There was lava below the hole :C