I didn't when I got a cheap device that was faulty and fell apart more than once. I have since decided it is a false economy. 159 quid plastic tablet vs 259 quid aluminium one is what it comes down to for me. The extra 100 quid gives me as the consumer a much more pleasurable device that's much more durable and lasts longer. It pays for itself because I can actually use it before it breaks. That's just my experience so far.
Last time that I decided to shell out more money investing in the "aluminium factory" I bought an mp3 player and found out rather quickly that they break as any other cheap player.
I also found out that the sustainable model of the "aluminium factory" is to make me pay almost the same price of a new player to replace a shattered display.
In the end I was lucky enough to find on ebay some companies madly working against the sustainability of the free market that sold me a replacement display for 20£.
I ever since bought only cheap, plastic players. They still even let you change batteries...