Choice in the workplace? What will they think of next!

It seems that lately more companies are veering towards non-uniformity in system design. Employees are allowed to use any computer they want, as long as certain key criteria (e.g., ability to get onto the company intranet) are met. Google has taken this approach, and I imagine it'd be a good thing for Gen Y to universally follow Google's lead.

With the creep towards distributed computing once again, we could even have "mobile dumb terminals" without too much effort or complication.

So, with all that in mind, let's hear what you think about this. Should companies allow their employees to use whatever computer they want?