To me, the white half moon male bettas always catch my eyes. If I were to get a betta, I would run to the pet store and purchase myself a white male. That's just me, I could stare a white betta for hours. (Teeheemy eyes would burn.) I'm for the half moons, myself. Petco has mixes of breeds/species, and they're shapes and colors are VERY impressive.
i have a two gallon bowl with a cover.
i had him for 2 months. he died of a mix of dropsy and fungal infection. building his bubble nests was the only thing he would ever do.