So yer i had my blog for 3 months and it was always getting flooded by spam etc, as i dont want to allow user registrations etc.
So i tried Akismet and sure it works fine but i mean having to clear out my spam thing can get annoying, as i sometimes get loads of spam, in those 3 months i got 12k spam comments!!
So i decided to flick through the ip's of where these comments are coming from, i noticed it was a specific range of ip's, looked like a bot network or something
So i ended up blocking the range (around 500 ip's) and since then i have only got 1 spam comment instead of around 1-2k in a week :)
Add this to your .htaccess file, as i came to the conclusion that 74.x and 75.x are used by spammers.
<Limit GET POST>
deny from 194.8.75.
deny from 194.8.74.
allow from all