TechwareLabs has published a review of the Saitek Obsidian Wireless Mouse
A quote from the article:
Saitek Obsidian Wireless Mouse Review
Saitek which is one of the leading computer peripheral companies has introduced a wireless mouse with some interesting features. This rechargable mouse with a 1000dpi resolution has replaced the scroll wheel with a touch sensitive strip. Will these features prove to be useful or a distraction? Read our review to find out.
Saitek Obsidian Wireless Mouse Review