The deck is heavier than the Switch, louder than the Switch (which makes no sound at all), gets hotter than the Switch (which doesn't get hot at all), has a screen that is inferior to the new one on the OLED Switch, and has the buttons in such an awkward position that I get cramps in my hand after half an hour of playing.
BUT YOU CAN PLAY ELDEN RING, you would say now. Yeah nah. All those AAA titles run like ass and/or look like ass on the deck. It's just not a feasible device for anything. For high-end titles, the PS5 wins out always. For indie titles, the Switch wins out, always.
I guess it's a really cool device for hackers who just want to mess around, though.