Custom fields for dummies

Hi!

I’m making a site for reviews, which is gonna be based on WordPress, but we need a couple of custom fields so that authors easily can see what should be filled in and fill it in.

For example there should always be a table in the review with price information and rating, and having to pick a key and enter it’s value, as you have to do with WordPress’ Custom Fields can be too complicated for some users, so I wonder if there is some kind of plugin or hack for this?

It would be best if there was one input field for each custom field keya€??not a select box.