I'm hyped for the announced Steam Deck OLED.
Thanks to the cumulative efficiency improvements (APU 7 nm -> 6 nm, battery 40 Wh -> 50 Wh, more efficient display), the battery life is enhanced by 30% - 50%
For less demanding games (i usually play those with a TDP lock of 8 - 10 watts) the Steam Deck OLED is now in Switch territory and leagues ahead of all the other PC handhelds:

Even the carrying case is improved... there is a compact case inside the normal case.
It is shown at the end of Dave's video:









