I've been coming here for years. I subsequently moved to NY but always return when I'm in town. Good coffee, discounted refills, nice general atmospher. In my recent experience the baristas are friendlier than in the past.
There are designated smoking areas at the covered patio with a nice view of a residential lake (Chandler location). I go there to read while enjoying coffee and a cigar.
Yes, the wifi is for paying customers and it's limited to 3 hours. However, you receive an additional 3 hours if you make another purchase, which seems reasonable to me.
My only caveat is that it is not family friendly - at least not on the patio. If you dare bring the kids expect an opportunity to tutor them on the semantic range of the "F" word in its noun, verb, and adjectival forms. If a bell rang with each utterance, no angel in heaven would be lacking wings (thank you Frank Capra).
P.S. If the management adds said bell I shall upgrade my review to 5 stars.