Originally Posted by Peter Zack 
That's a tough one. I agree that Mike is deserving but Jay (jsherman999) has also posted some great stuff and test shots with his Taks as well. I bought 2 because of him and Mike. I'm not sure who I'd nominate.
Although jsherman999 has been very helpful, I think the category he leads in is Best Lens Salesman...from his picture posts. In his case a picture is worth a 1000 words and a 100 sales of the lens used!