Originally posted by: dev0lution
Laser mice are less sensitive to the surface you're using it on which can be a plus.
I'm partial to the Copperhead because I can use it on more than one machine without losing all my sensitivity preferences (onboard memory), but you mentioned that's not really a factor for you.
I'd try 'em all out if you can or at least play around with a floor sample at a retailer to see how you like the shape/feel of each one. Some people hate the Razer's feel..
As far as the software, the Razer app loads at boot, but I'm sure a couple simple changes in the Windows registry would solve that.
I also have a copperhead, and would definitely get it again if I had to re-make the decision. I have not tried the G5, so I can't provide a direct comparison. I prefer the shape of the MX series over the razor, but the razor isn't bad -- just not specifically designed for right-handers. The visual appearance of the G5 really turned me off, though. It looks like someone took a MX500, wore the finish off of part of it, and spray painted it in the middle. This is supposed to look cool? Try again, logitech!
Another thing nice about the razor is that the configuration is stored on the mouse, which means you don't need to have the drivers installed. What I did was install the drivers on my old machine, configure the mouse, and then plugged the mouse into my new machine. If you do install the drivers on your main machine, though, you can simply run "msconfig" to disable them from loading on startup.
While "laser" sounds cool, the old optical mice looked cooler. The laser is infrared (at least on the copperhead), so you can't see anything whatsoever when you pick the mouse up. It tracks on a much wider variety of surfaces than my MX500 did, though. Even some transparent surfaces!
Anyway, I'm happy with my copperhead purchase. I haven't had any tracking issues whatsoever.
Oh, make sure you disable acceleration in windows once you get your new mouse (if you haven't already).