External hard drive for PC and Mac, how to format?

Hi
I have 3 laptops at home which I use for different roles:
1. A recent Macbook Pro with Leopard;
2. PC with Windows XP SP2;
3. PC with Windows Vista.
I have just ordered a powerful external drive (actually four drives of 1TB each in one enclosure, configured into the fastest RAID 0 for my work and storage needs.
I will need to edit High Definition movies directly from that hard drive, so I need to have very fast access to all files (up to 100MB/s - have eSATA connections sorted).
Now my question is how should I format the hard drive so it is read and write accessible by all three computers?
FAT32 is not an option because it has performance issues (and I need my HDD to be really fast) and wouldn't support files larger than 4GB (many of my videos are larger)...
I probably also cannot create 2 separate partitions as I need to use the same files with both Mac and Windows systems (not at the same time but e.g. download a 10GB file with my Vista computer while I am away, later edit it with MBP, then maybe record it onto a blu-ray in my Windows XP machine.)
I am sure there are many people out there with both Macs and PCs that need fast external hard drive where FAT32 is not good, so how do you format it?
Many thanks!

Hi,
if what you are looking for is a 4-disk-raid NAS with e-sata connection, you are looking at US$1000 (without drives) for something like the Allnet ALL6700 or the QNAP TS509pro which can use a 5th disk for raid-5 redundancy. (With a 4-disk-raid-0, the chance of losing ALL data is 4 times higher than when storing on a single disk)
With many NAS-devices, you don't have to worry about the format/file system - as capaho wrote, the box does it for You (don't take my word for it for a specific model). My DLink Nas ist Ext3-formatted and runs fine with OS X and/or XP - but can only be connected via LAN.
If you have connected it to a switch/router and you are accessing it via LAN, don't expect a transfer rate of more than 20MByte/s (Gigabit-Lan) unless using professional equipment.

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