Yes it is ok I think, if it really gives you an advantage in doing stuff faster and better (ie. if your app needs it). You can aim at early adopters the first

Yes it is ok I think, if it really gives you an advantage in doing stuff faster and better (ie. if your app needs it). You can aim at early adopters the first two years, and by then, this stuff will be mainstream. 37sigs took pretty much the same approach.