I just knew you'd come back with something.
It depends on your market of course, but that site of mine is pretty general.
Look at the stats -
http://en.wikipedia.org/wiki/Usage_s..._web_browsers:
The usage share of web browsers.
Source: Net Applications[1]
Internet Explorer (66.82%)
Mozilla Firefox (22.05%)
Safari (8.23%)
Google Chrome (1.23%)
Opera (0.70%)
Other (0.97%)
From W3 as well for comparison:
http://www.w3schools.com/browsers/browsers_stats.asp
Post stats from your most popular site then GatorB and let's see.