Its true that an EX1 is what people move up to when they want more professional options, rather than most people's starting points. If the OP is beginning amateur with no idea where he's going a lesser camera to learn with may be an option.
However, a DSLR is low enough resolution that it is not acceptable for many broadcasting companies (Discovery, BBC, etc). I think you first need to ask him what his target market will be. The EX1 is pretty much accepted everywhere.
If I could have afforded it I wish I had been able to start with an EX1 rather than moving through several cameras like I did, but that's more of a philosophical issue/choice.
He also has the choice of buying used, rather than new, and he must buy mics, lights, flags, props and other goodies.
His original post was about Indie Film making. Late model DSLRs are very capable of doing that.