Yeah, it sounds in the ball park. You should check to see if the front and rear sprocket have be swapped out for a different tooth count. That will affect your hp at the wheel as well.
If you are just going off of the sheet that the guy gave you when you bought it, it wouldn't hurt to have it dyno'd again to see where you're currently at. Most shops are under $40 for a quick dyno run without tuning.
My advice: Hook up the power commander to a laptop, and grab the map off of it to see what it looks like and compare it to some of the maps that other guys are using. If you search for "maps" you'll find plenty.
Save your map to your laptop and then load a different map with a similar description to the setup you're running. If you like that map better than yours, run it.
Still, the best way to proceed from here would be to run it like it is, and search for some of the common mods that people do (crank case breather, etc.) and go through your bike and see what's already been done to it so that you know what direction you can go with it. Just my opinion.
Have fun with it, and be careful. It's a damn monster between your legs, and WILL get you in trouble if you don't respect it like it's an atomic bomb.