Most folks who have gone from windows to Linux will have most likely ran
Ubuntu as there first choice before the arrival of Mint .I ran both Ubuntu and Kubuntu for years but now prefer Linux Mint witch is a Ubuntu based system anyway I just like the desktop on mint better .Nothing bad about Ubuntu Its backing by Canonical software has made rapid advances and has several large projects for tv phone tablet are under way as we speak and wont be long before Ubuntu is running on those platforms its desktop is more Mac like. Ubuntu software is the base and runs on Mint ,lubuntu ,kubuntu,bodie linux software centers and all of these also use Ubuntu as there base System with different desktops . Ubuntu itself is a Stable Great system its fast and has a productive libra office as a great MSFT office stand in lots of free software you can download games science software one of the best everday reliable systems
you can Download it here UBUNTU