It will handle the edit. Question is the edit’s parameters. HD, DV or uncompressed? Effects, After Effects software compatibility with the Intel? Lot more that the edit. More info would help us understand your particular situation.
Hope this helps-
Matthew
Quad 2.5 G5
OSX 10.4.X
Ram 4GB
FCP 5.1/AE 6.5/DVDSP4