The problem is the developer might want to get feedback from the user (eg: some bugs can't be reproduced). If the developer just copy & paste into the bugtracker then he/she will have a hard time communicating with the user.
I've been developing using Rails on Windows since last month. It is usable for basic development for me, but I had to discard TDD with RSpec since it's painfully slow (Spork with Guard don't really help).
I've never had the chance to try Chromebook yet, so does anyone know whether Chromebook has a native terminal & a good text editor? I would love to turn it into a web development environment.