Cinnamon Mint so far...
I suspect for the foreseeable future, it's always going to be easy for many to find an excuse not to make the move to Linux. My main machine is used to run Adobe InDesign, CorelDRAW! Suite and Painter from time to time and there are no acceptable substitutes for Linux. That said, I'm now spending most of my time using Linux and run the graphics apps in a VM (Oracle VirtualBox).
The only real fly in the ointment is printing. My colour laser printer (Lexmark 543DN) returns a "waste toner receptacle full" message for each print job. It took 6 hours to get to that stage, but at least I can print. Unlike Windows, you can't specify a job to print using just the black toner from the app's print dialog box. You have to visit the printer and change defaults. This is tedious and I suspect I would buy a mono laser if I became at all busy.
I approached Libre Office with some trepidation. I have none too fond memories of Star Office rendering a document unreadable. But it certainly looks like it will do the job. And I can always install MSO in the VM if need be.
Civ V running under steam reveals the shortcomings of OpenGL. On Windows it runs fine at the highest graphic detail at 2560 by 1440 pixels. The native Linux versions can only run with low and medium terrain/water/fog of war detail and low for rival empire leaders. However, the strategy remains the same and that's the main reason for playing the game. I can live with it.
Most of the little apps I use run either under Wine, or have native versions; Beyond Compare and PasswordSafe for example.
All in all I'm a happy camper and hopeful that this MS madness will result in some first class apps being written for, or ported to Linux. The last time I tried this I was a beta tester for Adobe FrameMaker (a very decent word processor/page layout app) so it would be possible for Adobe to finish that though I'm not going to hold my breath.
So, stop making excuses and have a play with a bootable Linux distro DVD. Be brave ;-)