which version? final cut express HD? if yes, your srewed.
System Requirements
Macintosh computer with 500MHz or faster PowerPC G4 or G5 (550MHz for PowerBook G4) or Intel Core Duo
512MB RAM
Display with 1024-by-768 (or higher) resolution
An AGP or PCI Express graphics card compatible with Quartz Extreme
Mac OS X 10.4.6 or later
QuickTime 7.0.4 or later
HDV features require 1GHz or faster processor and 1GB of RAM (2GB recommended)
500MB disk space required for applications; additional 16GB of additional storage space for Soundtrack and LiveType content (can be installed on separate disks)
DVD drive for software installation