Upload & Sell: Off
Like you, I've been 'a Mac' since the days of the Apple II. Today I use a 24" iMac and have enjoyed it since I purchased it a few years back. The massive 'real estate' is a pleasure. I also have a 17" Mac Book Pro but hate using it when we travel due to the small screen. The larger screens really spoil a person once you use them.
If you have a chance, please take a look at my website. I would like to have some feedback on it. It should be available in my profile. If not, here it is:
Best of luck finding a good home for your Mac Pro and its display. I'm sure someone would love to own it.