It's actually a very good TV. You should post on this thread: Don't dump your CRT RPTV!
which currently is on this forum page.
A proper and careful optics cleaning might make a day and night difference! An RPTV's
picture quality is utterly dependent on the clarity of the optical path. Dirty lenses and mirror can cut your picture quality in half. (a completely unscientific assessment, but the difference can be huge)