Its fine on mine at 1024 x 768 on a 17 inch monitor in IE Gav,
and congrats on your success so far, I hope it continues for the rest of the season
If you are worried about it not looking right on different screen resolutions then you could do as many websites do and add a line on your home page to say that its best viewed in whichever res and browser settings that you designed it to be viewed in
Maybe Stormy will have some knowledge about this later