[RS25com]

One more suggestion, if you don't mind, and it might even be a simple one.

Instead of a single number rating like (10) I think a dual number system would be MUCH better, such as (12/2) Clicking the appropriate colored number will display JUST the positive or JUST the negative feedback.

In case this isn't completely obvious, this actually shows how many positive and negative votes a person has. I personally think the eBay system is flawed because of the easy ability to see positives versus negatives. Someone with a lot of transactions can hide some pretty serious negatives off the first page of their feedback.

I'm going to use it anyway, but that would clearly make this hack better, and (without knowing how you do the queries/output) you can probably remove some calculations which get your total figure.