I have tried, read the first couple of pages on this thread..

I have a 07 MBP
2.2 ghz intel duo
still running 10.4

TV- Vizio E550VA
maunal - http://www.vizio.com/documents/downl...E%20SERIES.pdf

connections - 4 hdmi, component, rgb pc, optical.
I have a mini displayport to hdmi female

I understand I wont get audio, but I can't even get picture..
Thanks in advance for the help..
YES I'm one of those who wants to use HDMI..