Wirelessly posted (Mozilla/5.0 (iPod; U; CPU iPhone OS 2_2_1 like Mac OS X; en-us) AppleWebKit/525.18.1 (KHTML, like Gecko) Version/3.1.1 Mobile/5H11a Safari/525.20)
Goodeye is incorrect, partially. Some devices consider 1000mb to be 1gb, others consider it to be 1024mb. It's this difference that causes 8gb to appear as less when in iTunes - don't worry, it is technically 8gb.