I am currently sitting on a newer Macbook pro 13" working on windows either from bootcamp or through parallels.

It's just not working out for me, and I am experiencing a lot of performance issues, and errors with parallels windows image.

The only Reason I haven't switched back to a real windows pc, is the awesome experience on the mac, and the incredibly responsive mac touch pad.

Which laptop would you recommend for asp.net development. A bit on the go but mostly connected to an external monitor.

I have always been a Lenovo fan boy, but I am open for trying out new things. I have been looking at the new Lenovo X1 Carbon and the Lenovo T580 / T480.