I know what you mean my Vostro from a few years ago is still a decent spec (i5-2430/16Gb DDR) however I found out today you can now get the X1 Carbon with the 2560x1440...my Vostro is looking more and more like it needs replacing.
Oh god, you're right, they did! That's horrible!
Sorry for throwaway.. long time lurker, just posts seldom.