I would emphasize suggestion to get a properly sized river runner. Manufacturers usually have recommended weight ranges for each model, aim for the middle, maybe a little lighter.
So far OP is being offered oversized creek boats, they don't offer the greatest of fits.
And, try to get some rolling classes under your belt, now that winter is approaching many local clubs organize pool sessions. Not only will it teach you an essential skill, it will give you more time in a boat.
Hardshell Kayak Sail Rigs
PFD's (Life Jackets)
Kayak & Canoe Outriggers
|Table of Contents|