On my personal MBP, I like to watch movies. That's just about the only thing I ever use it for. On my work MBP, occasionally I might get some documents on a CD, but that is vanishingly rare.... I have to admit that I'd prefer to have an internal ODD and I'll happily sacrifice a few mm of thickness, but I can see how my use case might not be a market driver. As long as there is a large screen and I can stuff enough DRAM in, I'll be happy. The early Airs were a little too limited with DRAM options, so I stayed away from them, but that is less of an issue now.
It seems like rumors/opinions pop up occasionally that Apple is abandoning the "higher end" - like abandoning the Mac Pros, or by making the MBPs less powerful. I hope that these rumors don't turn out to be true. Less memory and such is fine for watching media, but for creating stuff (coding, 3D rendering, etc...), having the extra power is well worth it.