All my tanks are currently acrylic. IMO
you can't beat the view through an acylic tank. Not to mention the huge weight savings on largers tanks. Factor in strentgh and its easy. The only downfall is the price.
has nothing but TruVu acrylics tiered three high. The first time I seen them climbing on the bottum two tiers, I about @^#* 8O . They climb around on thier tanks like its a jungle gym. Amazing strength to weight ratio.
You just have to use a little more caution when setting up and cleaning acrylic. As long as your careful not to gouge the inside with rock, driftwood decor etc... while setting up or clean the bottum half inch when scrubbing the inside, you'll be fine (you don't want to get a piece of substrate in your cleaning pad while scrubbing).
I've seen were theres repair fits for scratches on the inside, but I've never used them. As far as scratches on the outside. Most can be polished out with regular car wax. I've got so much car wax on the outside of my tanks, a drop of water rolls off faster than grease lightning 8)