I am a new owner (this summer) of an '88. I was fortunate in that the marina I launched/berth at, the manager was a sailor who helped me raise and tune the rig. I have been thinking of buying a tuning gauge for future use, and wanted to ask the forum's guidance on which tool to buy. Catalina direct lists the Model B for the Catalina 22 as the appropriate tool. My question is, will the Pro-2 cover all my bases? It looks like it is easier to use, and if buying on Amazon, when factoring in free shipping and no sales tax, the price is about the same. For some reason, that Model B isn't on Amazon. And it is much higher on WM. I read back in old threads, and some say use a tool, some say wing it. For those that use a gauge, which one do you use, and if the B, would you see a benefit to the "pro" model? thanks.