You could put a 14" tv, and your playstation on top of the RPTV, that way technically you are playing video games 'on' your RPTV.
See my answers in your other posts - it's not good for the TV, and is not covered under warrentee.
If I were you I wouldn't - though thinking about it now, maybe a LCD PJ is a good choice of unit for you.
See guys - they DO have their uses

They protect our CRT's from static video game images.
-Rick
Ponders buying an LCD for video games..... Shudders at the thought and hugs his 19" color calibrated CRT monitor