My GE microwave with the turn style knob is reliable and dependable. 

I have owned microwaves with the digital screen and push numbers before, and after a year or two, the number pad always quit working!  Either one number, or an entire row of numbers would just stop working.  What caused this I dont know, probable cleaning the number pad time after time, point is, it became very frustrating when certain numbers on the number pad stopped working while the microwave itself worked fine.  Thats why when I purchased another microwave, I bought my GE with the 'dial' knob timer.  I haven't had...