Hmmm - very scant on the details but overall I'd say yes, it's a factor. Like you said, if you deploy on RoR and I don't have it, I'm not likely to buy/use you

Hmmm - very scant on the details but overall I'd say yes, it's a factor. Like you said, if you deploy on RoR and I don't have it, I'm not likely to buy/use you because it means adding some "system" that I don't know into the mix. That being said, here's an example of a company who has taken such a problem (Apache on Windows) and completely hidden it from the end user (or at least made it not a big deal): http://www.visualsvn.com/server/ http://www.visualsvn.com/server/ Any .NET developer can now share SVN repositories without the fuss of installing and configuring Apache.