Search program built on top of Windows Media Center or Tivo

We are open to suggestions on what programming languages to use, what database and what operating system. Of course, Windows Media Center would be Windows XP and Tivo runs on a linux box. We are planning to build a software that would go on top of > > current > > DVR's (TiVo, Replay TV, or Window's Media Center)- it would be a Linux > > program. It would be for high end users with lots of storage space- so > > over > > a terabyte or so- and would search through media files on the hard drive > > using content from the online movie database IMDB (so, it couild sort by > > genre, actor, quotes in a movie, etc). It would also intelligently > > record > > movies that users would like automatically based on profiles that they > > make > > explaining their movie preferences as well as their history of > > recording. > > > > We are just making the software, not hardware. How much- approximate > > guess- > > would this cost to develop? How long would it take? Also, do you think > > that anything would be patentable that we develop while making this?