What I've been comparing is the Ally 515 and the Pakcanoe 150/150T.  They are both approximately the same length (15.5 ft) and have about the same load capacity (650 lbs or more).  The Ally weighs in at about 41 lbs while the Pakcanoe is 48 lbs (each a couple of pounds lighter in a solo configuration.  Both can be had (new) for around $1850 (including shipping).  The only place in the US I can find that sells the Ally is in   (You need to Login or Register, while it looks like   (You need to Login or Register might be the best choice for a Pakcanoe. (Wayfair is the Pakcanoe vendor for Walmart.)  It looks like you might get a red vs green color choice with the Pakcanoe.

I've paddled locally with a guy that has a Pakcanoe 165 (I think it is).  It seemed more stable but slower than my Prism (the owner regularly stood up in it to check conditions down river).  He's used it on river trips to Hudson Bay and has tripped with Cliff Jacobson a time or two.

dd