Having purchased a similar drive in the past, I researched this topic extensively, and ultimately, even the best of the recommended formats here (and anything else I've seen) fail in one crucial regard: if you want to be able to boot using firewire (or any interface as far as I know) from the drive on OS X, it must be in HFS/+ format. As such, I use HFS+, and the (not free) windows program MacDrive, which, though far from perfect, allows windows to interact fairly normally with HFS+. The NTFS 3g site implies one can load the drive during boot, but I haven't heard of anyone successfully booting off it.
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Having purchased a similar drive in the past, I researched this topic extensively, and ultimately, even the best of the recommended formats here (and anything else I've seen) fail in one crucial regard: if you want to be able to boot using firewire (or any interface as far as I know) from the drive on OS X, it must be in HFS/+ format. As such, I use HFS+, and the (not free) windows program MacDrive, which, though far from perfect, allows windows to interact fairly normally with HFS+. The NTFS 3g site implies one can load the drive during boot, but I haven't heard of anyone successfully booting off it.
Oh, they certainly did port clippy to mac, and this amusing video accurately portrays how much fun that was.