RAID suggestions...

[Ashley M. Kirchner]

    I'm looking at setting up a RAID system for doing video work.  My 
two main requirements are speed and reliability.  Speed is an issue 
because of the constant streaming of hundreds of megabytes, if not 
gigabytes of data that is inherent with video.  And obviously 
reliability, I want to make sure I don't lose any data of a drive 
crashes on me.  This will also be a hardware RAID solution (as opposed 
to software) and, depending on funds, I may try to make it a 
hot-swappable system.

    Based on all the different RAID levels out there, what does the 
collective suggest?  1? 3? 5? 0+1?