Just a positive experience through and through.
On the process: responsive, polite and quite adept at anticipating my needs.
On the output quantity and speed: more than I expected, Alex generate lots of ideas in a short time, and meets promised deadlines.
On quality: definitely worth what I was paying for if not more. Ended up being quite a collaboration, in the end if someone does not like the design, it's more a result of my choices as the client than Alex's propositions.
All in all, I chose him based on the outstanding reviews I read on 99d, and I'm happy to add my voice to the chorus!