Car and Macro photography will take you oppostire drirections in terms of lenses. That lens looks to be pretty good for the car end of the spectrum though.

Here is the review of that lens from my FAVORITE lens reviewing site. you can scroll to the bottom and read details on pretty much any Canon lens currently in production, same for canon bodies, flashes etc.

http://www.the-digital-picture.com/R...ns-Review.aspx