Al, you have had your 90 up for about 2 years right? Isnt it funny how we all want to keep upgrading? I see the threads on the 1000+ gal tanks and tell myself "My obsession would never get that bad, right?" lol. I even bought an 80g to upgrade to but after alot of thinking, I decided to go a bit larger. I want to a couple of tangs and am so tired of seeing fish I like but cant get due to having too small of a tank.