Yeh autosave is good...but as Nilla said it does save a fair bit and can get cluttered. I prefer doing it manually....it takes practice but eventually the 'CTRL s" becomes a habit. It doesnt take much to get used to it....depends on your preference though.
Good luck mate
cheers bullet
bullet1968
"A Darkness at Sethanon", a book I aspire to model some of the charcters and scenes