Dave:
I'd be the first to admit Revell's Graf Zeppelin is far from the best kit ever made, but it's an interesting subject, a readily-available kit, and something like 1/6 the cost of a resin equivalent. It's a great "practice project," especially if you're thinking of getting into scratch-building, because you can use the basic hull and hone your technique redoing anything or everything else. A little time reshaping guns, adding hatches and ventilators and deck machinery, and refining the air group can result in quite an eye-catching project (the folding-wing Stukas get 'em every time!). Plus, since she never actually went into service, there's a lot of leeway for interesting camouflage schemes.
One prominent accuracy point on the hull (based on the issue of the kit I did about 5 yrs ago)---the molded boot-topping line is about 1/8 inch too high (compared to drawings in the Schiffer monograph). Also, Tom's Modelworks does a set for this kit that helps a lot:
http://www.tomsmodelworks.com/photo.asp?Brass!Detailing!Sets|1/700!Scale!Photoetched!Brass!Detail!Sets|729
Plus, if you want some inspiration, check this out:
http://www.bismarck-class.dk/shipmodels/german_models/grafzeppelinliedtke.html
It's a hobby, man...have fun!