MRC/Academy kit is great. The update set is not really needed. The best part of the update set is the pilots doors with interior panels. If you don't plan to build the doors open, it is not needed, or you could add the door interiors yourself, they are not that hard to duplicate. The kit instrument panel is just fine, plenty of molded on details. The kit is highly recommended, I have built a couple and love it.
Here is a review on it too: http://www.internetmodeler.com/2001/april/first-looks/acad_uh-60l.htm
Happy building.
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