Mike:

I am leaning seriously toward the 4.5. I know nothing of the 4.3. Have never seen one around here. Andrew Tatton said the 4.5 will take more weight than the 14 and is a faster newer design. It is a 1995. It will hold me at 210 and her at 100 till she is comfortable at the helm.

Doug Snell
Hobie 17
www.tcdyc.com