Yes Jupiter is a fantastic viewing.
You should also be able to see it's moons.
And some surface/atmo features of jupiter too.
With my 8" I can make out some of the brown equatorial lines.
Not sure if anyone has mentioned this to you or not. But dobs being open as they are, can collect dust easier than other scopes.
Not only do I have the elastic protector over the top half when not in use, but I've gone and placed another shower cap over the bottom of the tube at all times.
Have fun with your scope.