Slim is great. Imo the most elegant PS console I've owned. Way prefer the look of matte consoles, despite looking and feeling less premium than the OG.
The origional PS3 was nice too but I absolutely hated the glossy finish. Which covered the whole thing. It was a dust, fingerprint and scratch magnet in one. You just had to look at it and micro scratches and fingerprints... EVERYWHERE lol. The capacitive buttons was also a blessing and also a curse, as you could accidentally knock the power/reset or eject buttons