No problems here. The problem with it is Microsoft was ... ahem, never mind.
You're probably hearing about
this ****and thisI work in a very large corporation (that shall remain nameless) and we have literally hundreds of thousands of Windows 7 machines. No more issues than the normal ones.
Your mileage as a home user may be different, as the company decides which patches and updates are critical compared to MS, and we can deploy them in a different manner than Microsoft can.