ubuntu has quite amazing driving support. it made linux quite easy to use and you still get to mess around terminal to do stuff. but i feel it has taken out the linux, i doubt if you learn ubuntu you do just as well with another distro. sabayon is based off of gentoo, everything must be compiled. im sure if you get used to sabayon thats the best way to master linux. its just not something you would want if you just need it to work ASAP.