Skyblock for these reasons: 1) Cleanest chat minetime probably has (Not sure about this one, about every server on minetime has inaproppriate chat). 2) It's the most fun. Lol I didn't really know what to say xD
I'm terrible at building complex buildings. But you can build however you want while being challenged with the limit of items from the surface. That's why your amount of money can balance it all.