Dell doesn't have the resources to make a MacBook Air type computer in volume. Apple's bought the gear, invested heavily in the suppliers to get them up to speed, and starves competitors of the equipment and supplies needed to produce similar computers.
Secondly, Apple focuses on a handful of models and makes a lot of them. Dell tends to produce dozens if not hundreds of models and can't get the volume on any single one up to the level required to really slash costs on exotic manufacturing processes.
HP has tried on a few occasions to produce something close, but they never stick with it long enough to really gain the benefits of scale.
It has a great keyboard and underlying hardware. But it's also stuck with a low-resolution screen with terrible viewing angles, and is also as thick as a brick. The touchpad also leaves a lot to be desired but it does have the TrackPoint which is great.
The X240 will supposedly have a 1080p IPS screen but I'm not sure what the holdup is.
- Small & noisy fan - Awful trackpad (but awesome trackpoint) - Low resolution wide screen
I cannot understand why Lenovo is destroying the x2 series. Now they:
- Replaced the standard processor with a ULV one - Removed trackpoint buttons - Introduced island-style keys - Removed ThinkLight
They should have simply improved a bit the glitches i mentioned.
But I have a T410 at home and I am not very happy with it. The dock is unstable, it disconnects, USB dies. The stupid dock blocks the fan, and you do anything cpu intensive and it end shutting the system down because of temperature. The NVIDIA graphics never worked reliably with nouveau + dock + suspend (I have to use the binary driver).
And worse, it is an i7 (x220 is an i5) and it feels so slow compared to the x220.
I wanted the Macbook Pro, but I didn't see the $300 difference in the Pro.
That's worth $300 to me...