[PhilJ]

• Forget the X-Cart reviews/ratings module, forget Facebook and Twitter, this is the reviews/comments module you've been waiting for!
• Tons of options, anti-spam measures, ratings, subscriptions, RSS feeds etc. etc.
• Commentics even has the golden element for SEO - Rich Snippets
• Displays comments on product pages and static pages !
• Displays recent comments and other statistics on your homepage
• Compatible with X-Cart v4.1.x - v4.4.x
• Visit www.commentics.org for more details
• 27th March 2012 - Updated to fix database connection issue.
• 16th April 2012 - Fixed pagination issue
• 26th June 2012 - Updated integration files to use Commentics v2.0
• 5th Aug 2012 - Updated integration files to use Commentics v2.1 and removed 2 install steps
  
• 10th Oct 2012 - Updated, tested with Commentics v2.2

Demo | Download

Frontend:

• Captcha
• Smilies
• BB Code
• Preview
• Star Ratings
• Pagination
• Email Subscription
• Swear/Spam Filter
• Anti-flooding
• Terms Acceptance
• RSS Feed

Backend:

• Highly Configurable
• Multiple Admins
• Database Backup
• Online Viewers
• Drag & Drop Design
• Maintenance Mode
• Version Check
• Statistics
• Ban System
• Help Pages
• Last Login

To add to the Ability template, see this post