I can't seem to find an addon for this, so I was wondering if anyone else knows of an addon or can create an addon like this.

I was looking for an addon that would enhance the dressing room to show me the stats I would have if I were wearing those items. And I mean all the stats; strength, agility, attack power, shadow damage, spell crit percent, and so on. Basically everything thats shown under the character window.

Is there an addon like this? If not, can someone create one for me?

Interesting concept. I have never heard of anything like this but I am sure it would be possible. It would be a ton of work but somebody might bite on the idea and look into creating one.

 I was searching for this very same thing today!

This very thing is currently under development.

http://www.curse.com/downloads/details/8836/

Enjoy!