With Blu-ray drives for PCs selling for less than $150 -- and only getting cheaper -- many HTPC fans are left wondering, what is the best HTPC Blu-ray software? While the old favorites were the first on the scene with PowerDVD and WinDVD, ArcSoft has recently been bragging how popular its TotalMedia Theater is with high end HTPC vendors like NiveusMedia and Vidabox. We assume the reason is because these companies are keen on Vista Media Center and ArcSoft works harder on integrating with Media Center than the rest. But Media Center integration isn't the end all be all for Blu-ray playback, and it isn't that difficult to integrate the other players yourself. So this left us wondering, which is the best Blu-ray player software for Windows?