Your requirements fall in between our AH02 and AH03, so we can put the following custom plan together for you:
Disk Space - 500MB
Data Transfer - 12GB
POP3 Email - Unlimited
Mysql Databases - 5
$70 per year
More information is available at http://www.enhancedhost.com/hosting.html
Feel fre to drop by our forum with any questions you might have.