Re: How many gflop's?
I think your videos are really cool! I very much enjoy seeing people getting some use out of PelicanHPC, and it seems that you are well on your way, using the cluster monitor and so forth. Getting a high score on the HPL benchmark is going to be just about impossible, I think, because it is quite sensitive to the bandwidth and latency of the network. A cluster like yours would work well for CPU bound tasks like Monte Carlo, though. You might look at the mc_example programs in Octave which are included on the PelicanHPC CD.
I don't have any photos of my cluster, it's just a boring, standard pile of 1U servers and a switch. I have made clusters like yours in the past, in a university computer room. Your videos are a pleasant reminder of that work.
Cheers, M.