Regular price$ 399.00 $ 299.25
At a minimum you will get a 1 year warranty, but some claim that when they register, they get the 3 year warranty.
The CT15 is the base model with the plastic hose, no "garage" for nice hose storage on top and no Bluetooth. The nicer anti static hose is approx $ 180 to upgrade and the nicer hose storage "garage" that is a direct replacement is approx $ 86.
Here is a site that compares all of the Festool Dust Extractors: