What functionality differentiates the 4 new templates except from colors?

Clean design - all
Nivo Slider on homepage (edit html from admin - all features and demo) -  all
Banners promotion for 3 products/services -  Photo Video theme
Drop down mega menu (edit html from admin) -  all
Custom footer menu (edit html  from admin) -  all
Product Zoom picture disable/enable (demo product page) -  all
Reviews optimized and placed for each product box -  all
Cross browser compatible code -  all
Usability optimized custom structure of NopCommerce project -  all
Compatible Browsers: Mozilla FireFox, Safari, Chrom, IE6, IE7, IE8, IE9, Opera -  all
Source code (client NopCommerce has been customized by our side - changes list included) -  all
Easy integration/customization (not need to change your files), plug in play theme with few changes -  all
You can use this template on many websites (setup 1 or 1,000 stores) -  all
Buy a template and get FREE upgrades forever on all next releases -  all
This theme not includes custom mobile theme -  all