I had a great time talking to the guys from makeuseof.com make sure you check the interview at
“Don’t wait until you get a nice desktop to start. Go ahead, look for tutorials online and start playing with ZBrush, you will find out that almost everything you need to know is online at this point: Things are different from what they were 8 years ago. For people who don’t know where to start, Pixologic’s website has many articles, videos, and links for DVDs.
Don’t get stuck waiting for a desktop, a teacher or something else to fall out of the sky. Go ahead, try new techniques, and explore new art forms. Everything you do will translate into your 3D work in the end, and vice versa. Keep that in mind.”