I have the Imai 1/200 scale USCGC Eagle. It is more up to date and accurate in the decak layout and fitting s than the ancient Revell 1/253 scale kit. However, there is no detail on the hull - no plating lines, rivets, etc., which are pretty prominent on the real ship. This is too bad, as it is the largest model of EAGLE available in plastic.
The Imai 1/350 scale tall ships are available in Academy boxes. As I understand it, the Imai kits were all waterline models. The Academy versions of the kit added a lower hull, and were available for half the price. For example, the Imai 1/350 scale USCGC Eagle was $20, (and hard to find) while the Academy version of the kit is $10, and is on the shelves in the local shops.
-Bill