Working in the digital medium is just as challenging and fun as traditional. There is of course the drawback of not getting the tactile feedback when working but the benefits will make up for that.
The learning process, or learning curve if you will, to become a decent artist has not changed but the many advantages working digital will speed this process up. It is a numbers game when it comes to learning and very much so when painting and drawing. The ability to instantly do/undo pretty much everything you put down on the canvas is a huge advantage.
Accelerated iteration is good for you!