Happened to find my red irian at LFS a couple years ago...he's probably about 3" and maybe 1.5" tall. I have only seen them at this LFS once, though. Aquabid has some on there, though I have no experience buying fish online at all.
The turquoise is probably my favorite fish in the tank. I bought the original at same LFS as the red irian at the same time and the colorings are really striking. Just bought a 2nd there a couple of weeks ago, coloring isn't as brilliant quite yet. That one is bigger and taller than the red irian. Turquoise were even found at local Petsmart the other day, so they're easier to find locally in my estimation...though the price you found compares favorably.
I haven't been able to get a crystal clear photo of the turquoise yet as my non-DSLR camera just can't keep up with how active it is. Took this great shot of the red irian though:
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That looks nice!


I am currently getting 6 red irians and 6 turquoise...how big are your turqs?
you think i should get 8?