Oh yeah, that sucks, not having that many choices in your fish. It's not really an issue for me since I live in Hong Kong but for some of my Amino friends over in the states its a pretty big annoyance. But rasboras are definitely super pretty! Also, i've heard that PH isn't too important for fish, and that a consistent PH is far better than a specific one. But in this hobby you never know whats definitely true, its all anecdotal isnt it :). Good luck with the new additions, i'd love to see some pictures when they're settled in and acclimated.