Whitewater is a lot of fun. I have found with the sea background, you will find your skills develop very quickly. I have also found the whitewater skills have enhanced many of my sea kayaking strokes, balance, water reading, etc. After the workshop, if anyone still has interest in paddling rivers, im often in western ma paddling.. Millers, Deerfield, Westfield, West, Farmington, etc. anything from class 2-class 4. Ill be happy to guide some folks when that time comes.
Cheers
John