I first started using Linux in 2004, and only used it about 10% of the time. Now I use it 95% of the time for everything I do. I do have a dual-boot PC with Windows 7 which is just for gaming (like Sim City 3000, Championship Manager etc).
If you're not used to Linux I would recommend Linux Mint, just because Ubuntu at the moment is a bit buggy with their latest release. It will be a bit different, but the one nice thing with Linux is that most of the distributions now come with a software centre, so you'll be able to install most of the things you need. Also, as a top tip, if you need Flash then install Chrome.
Some of the posters are right, things like Photoshop won't run on Linux (unless you really know what you're doing), and GIMP (the open source alternative) is good but there's a massive learning curve with it. What I do when I used to work with Photoshop is install VirtualBox and create a Windows 7 VM. I then created a folder on the Linux machine which I then used as a shared folder on Windows. So I could pop what I liked in to that folder from Linux and access and write to it on Windows.
There are some advantages with Linux too which Windows 10 has only NOW got - multiple desktops. I can't tell you how brilliant it is when you're on a laptop and you need to view loads of windows and Alt - Tab is too much for you.
However the idea "Linux sux" is ridiculous. The only reason it sucks for people is either they don't know how to use it or it doesn't run Crysis on full. I'm a developer, I'm experienced with Linux as I've used it for so long. It's a hard thing to get your head around, but it's a proper OS now and an alternative to Windows if you use your PC for work. If you're a gamer then yeah, you should stick with Windows - but Steam are releasing great games for Linux now.