Earlier quoted context omitted.
> You cannot make bitcoins with a shitty CPU, or a shitty GPU. You can try, but the difficulty is too high, and is always increasing Yes you can. It's called pooled mining. http://mining.bitcoin.cz/
@Jach: Seriously, you can. Just based on your comment alone: > an i7 with free electricity mining all the time at 8 MH/s would make about 9 US cents in a month This means at the current rate you will make 0.09/470 = 0.000191489362 BTC = 19148.9362 satoshi Oh, and the calculator you linked to is crap, it only gives 3 significant digits of BTC, which is quickly becoming relevant.
Whether you can actually get a single satoshi from a pool is another story. If the pool uses PPLNS, you might not ever. I think most would object to you for being misleading. If you want bitcoins, buy them, or get an ASIC miner and don't use a sucky-ass CPU or GPU.