For a modern take on PC with wood(grain), take a look at the Fractal Design North PC case [0]. It's a matter of taste of course, but I like it a lot.

[0] https://www.fractal-design.com/products/cases/north/north/ch...

System76 offers woodgrain sides in multiple colors on their Thelio desktop line [0]. I've been running one for six months as my employer-provided machine and it's been fantastic.

[0] https://system76.com/desktops

The Northstar Horizon computers (Z80, CP/M) had a woodgrain cabinet. I had a client back in those halcyon days who bought them because of that. He thought it looked better with his component stereo gear (don't ask...).