A ToriPrime allows you to use the following features:
Upload bigger avatars
Have more room in your signature
Allow you to have a default font color in posts
Allow you to have default font style in posts
Access to a ToriPrime board
Allows you the freedom of being awesome
A Forum VIP is an expansion pack from the ToriPrime. It gives you access to the following:
Upload (much) bigger avatars
Upload animated avatars
Have more room in your signature
Upload animated signature images
Allows a background image in your posts
Access to a VIP board
Allows you to use the reputation feature in Wibbles
Gives you the VIP achievement
Allows you to style your profile page (color, images etc)