Call me G Pro-shape fanboy
I HAD to upgrade. It was a must to match my all-white setup.
I have been very happy having my G203 as a daily driver for the past... 5 years? But i do not longer use my desktop pc so going wired with my laptop is pretty inconvenient. I love it's shape so the natural move is the G305 + it's superb HERO sensor (but the Mercury isn't bad either)