Bottom line is what are you/your wife going to use it for...........I have owned many boats, a 17 foot wooden dory, old small tube bucket boats, small self bailers, bigger self bailers, a 16 foot jaguarandi cat boat........If you are planning on multi day trips and her boat needs to take gear or a passenger(s), get her a raft....maybe a narrow 14 like the NRS boat. Without a floor on a cat boat the passenger needs to be physically agile and more situationally aware. I wouldn't take kids on a cat boat. It is hard enough staying in a raft with floors and sides in big water! Also, for me, I hated always getting so wet in my face. I like being shielded especially, in early season trips where the water is big and cold.
The 14 footer I have does great in bigger water or boney water. However, it is quite "sporty" on runs like the Grand. My wife is 5'3" and slight build but muscular for her size, about 100lbs. She has absolutely no problem rowing the 14 when it is loaded light. It is tougher on her if it is loaded with a weeks worth of gear however but she still moves it around through rapids just fine. On real low water you just have to load it light. I have loaded it to the gills and it handles great.
If you guys are going to use the boat for just day trips so, therefore, very little gear, then a cat is great. BUT, if you load a cat it will NOT handle for shit! I got rid of my 16 foot cat because, basically, I run extended trips where i carry a ton of gear and passengers.
For that I have a 16 foot NRS E series. It handles great even when loaded! A lot better than the small tube bucket boats of yester-year. Oh...if i didn't load the cat it was great. It did have a tendency to flip where a raft wouldn't...maybe, too light?
Presently, I am in the market for an 18 footer for those long trips where you need to take a ton of coolers and food, etc. Even though I have taken all that gear on my 16, I like the extra space of an 18 where the gear isn't piled so high but is spread out. I had a 12.5 foot self bailer and it was awesome in the Taos box both as a paddle boat and as an oar boat. So...it just depends...... My vote is get one of everything..haha