I haven't heard anything negative about the 45 high. I kept a 46 bow for over a year. The two are very simliar in dimensions, the bow is just not as High, and bows to 15" in the center. I had no problem with rock placement.
Your stocking list sounds good. I think that instead of the Fire Goby
, I would stock a Yellow Watchman or Polaris Goby; they are fun to watch and help keep the sand clean. I also love the 6-line Wrasse, but mine was aggressive towards my fairy wrasse and even my Fire Goby
(both of which jumped from the tank). I've always been a fan of the Bangaii Cardinal, but they are best kept in pairs.
With the stocking list you have, you can also make an easy transistion to keeping corals and reef creatures, such as shrimp, crabs, starfish, etc.
I would hold off on the pygmy angel til you are certain you are never doing corals. Because once they go in...you won't want to take them out.