I like IKEA for its wide range of easy to use parts, but sometimes you just have to look a bit further for a much nicer option.

A couple of years back I bought a rough plank of wenge wood that was 3cm thick, 45cm wide and 3meters long for about 100 euros from a local wood trader.
Mahogany and Maple were about the same price for 50mm thick planks but it was a bit difficult to find a nice piece that was wide enough.

There were also cheaper and more expensive woods to choose from, and the planks were up to ~60mm thick.

And I guess a bigger country may offer a wider wood variety for better prices.

A local carpenter should be able to procure, plane and square an infinitely more beautiful board for not much more than the IKEA one.
OK the IKEA has vertical wood pieces glued in a sandwich, but its effectiveness is debatable.

If you have a few tools (circular saw and power plane) to do it yourself, then it will be even cheaper.
You will have to pay for the extra bulk wood though, but you will have enough to build nice platforms for your other devices too