That reminds me of a couple projects I did way back in the day (3+ years ago, now), one had a graph that had to be generated and updated in real-time without losing data quality, but keeping a nice looking graph... it actually worked in VB, but it was very slow... It ended up that I had to re-write it in C++ to make it faster due to the rate of data collection...

We had a similar problem with a VB program at my next employer after that -- a program in VB was supposed to handle not only real-time display, but also input the data from the industrial scanner... Needless to say, the overhead of VB made it far too slow to handle problem, so I re-wrote it in C++ (nobody else had any programming skill except VB, so I was the only one that could do it).

That is semi-humorous; Historically, I have ended up being the only link between a project that would fail with just the skillset of the remainder of the team and success... Often due to my long list of languages and deeper-than-average understanding of the HTTP protocol (which is easy, and the fact that so many web developers don't know it angers me to no end).