the slight blurrynes might be caused by slightly off clock/phase settings on the monitor, also adjust the size of the image so that it fits the screen pixel perfect (look in the drivers or OSD on the monitor). If the size is even one step off the target you'll get blurrynes at the sides.. These problems would be avoided if you used digital connection, but on analog you'll have to fine tune them manually.
Here's a nice site to help with the calibration:http://www.lagom.nl/lcd-test/
the lines might be caused by something else thou