Changes to Best Buy Product Tables

We've recently made some changes in our decision centres, updating our design. The focus is around clarity of layout and ease of use. The Best Buy comparison tables need to do a job of listing products and providing enough information for users to make a decision on what product to go for.

In our savings centre we've gone from a treatment similar to this:

 

To this: 

 

The most interesting thing to me with this area of the site is the impact small changes can have. I've been meaning to talk here about multi-variate for a while, common practice amongst sites (largely since Google added it to the analytics suite of tools) it's definitely an interesting subject and area to consider when designing web pages. I am wondering if there are any limits to where this can be applied.