buy a Super Puma. Good for R2 to R7. (R1 if so inclined). 3 thwarts, easily removable. Enough room for week long trips and small enough for most CO rivers. Add an oar frame for fishing or multiday trips. 10 year warranty.
We have done many westy trips with R2 and R4 as overnighters and supported 4 or so kayakers. It's fun rigging a paddle boat for overnights. I use a couple of the split chain links in the drop stich floor as extra tie points and then run a net over the gear as well.
A shredder or mini me would be a blast. I just happen to be a single boat kinda guy. If I have to upgrade for the family, it will be a 14 or 15ft of some sort.
Claimer: Someone that makes a claim that they have been there and done that, can do anything you can do better than you. I hate "claimers"