Don't get a Hill Stream Loach. I know how tempting it is, but they are verrrrrryyyyy hard to keep healthy & alive.
I'd save up for a B/N and consider it your first expensive fish. I spent 20$ on 2 Clown Plecos, so, it's not un-manageable, just worth saving for. Oh - get one with a ton of bristles, they look cooler[they are males].
Have a great day. I've got tomorrow to live through, then the day after is my birthday!
I'm requesting some new fish though!! *twirlysmi