It sucks. It blows dead goats. If I had to do this full-time I would hurl myself into a vat of acid. No, not that acid - but it might make the experience better.
So, some guy in our office building wants to buy the entire building because he's tired of waiting for the building's committee to replace the windows. How quaint.
By simply adding the words "highres" to the name of a 70x70px 72dpi gif it doesn't transforms it into print quality. There are no pixies that magically transforms an image into print quality. If you think there is, lay off the 'shrooms.