As a wetsuit diver who recently bought a drysuit my comments are: The drysuit is great when it's needed. It's a little bit less comfortable in the water, and is one extra task to manage during your dive. It's not extremely difficult but it is not something you don and forget either. I bought mine for extended dive times in caves where the water temp is 72f and the air may be significantly warmer. That means that on the surface I sweat. It's not enough to be uncomfortable but as I discovered at megadive... diving dry and sweating means after a while you STINK!
I just had a conversation with my cave instructor the other day now that I've got about 30 dry dives logged. I said, man I still need work on my drysuit skills. It works fine but I'm just not as comfortable in the water diving dry as I am wet. His response was that he has been diving dry (and wet) for over 30 years and he still prefers to dive wet when he can.
So, I've been diving dry exclusively to build skill. However soon I'm going to go back to diving wet when the conditions allow as I prefer the feel. By all means, get a drysuit and expand your diving season (if you live somewhere that it matters). I'm not of the opinion that drysuit is flatly superior to wetsuit. Different dives call for different gear configurations - that's how I see it.