I was in this situation , I've moved away from osx a month ago i couldn't be happier. I've moved from a macbook pro retina to a Lenovo x250/i5/8GB/HD screen,

I was in this situation , I've moved away from osx a month ago i couldn't be happier. I've moved from a macbook pro retina to a Lenovo x250/i5/8GB/HD screen, Running xubuntu 15.10 ... most bits work (DualScreen/VPN/NiceRDPapp(Remmina)/etc etc) I've had major issues with Webex (need to have a jre 32bit running on a 64 bit os) but other than that all good! Good luck!