It is a great item, however I do not trust all pocelain crowns in the posterior and you can't get the great stacked look for anteriors. Some people make their crowns better by glazing, staing, or cutting porcelain and stcking and baking. That makes you a lab tech and defetes the purpose.
With the recession I think it is a very bad idea for any new dentist to think about spending $100,000 plus for this. You can find great labs that can make awsome work at a good price. Focus on getting fast and better skills, after your practice is paid off and you are making a ton of money then think about toys.
Don't let sales people or people who conduct training for a living convince you that this is needed and will make you rich and a better dentist.
Just like any material, ceramic has to be done properly, and it will work in the posterior.
If you want to check out Cerec esthetics, go to the Du Jour thread on DentalTown. There is plenty to look at. There is good and there is bad, but don't be to judgemental! There is good and bad dental esthetics with ALL materials.
I know many Cerec salesman, because I am a trainer for Patterson. I don't know of one instance where they are trying to sell to a new graduate. I'm sure it has been done, but most Cerec Specialists (salesmen) want the doctor to be successful right of the bat. But, I do agree: get out of school, learn how to be efficient, learn patient care, and learn the business of dentistry FIRST!
You WILL become a better dentist because you get the great opportunity to see your preps immediately, and blown up on the computer screen. Dont tell me that doesn't make you prep better! You also get instant feedback if you reduced enough. It's a lot better to know immediately than to wait 3 weeks to have your lab color the opposing tooth a little red to adjust in the mouth.
Both Cerec and e4d have ways to design and mill to occlusion.
I am an advanced trainer, but I make more money "doing" Cerec than I do talking about it. I teach because it is fun!