What is the best compatible file system for linux and windows?

[Budi Febrianto]

Hi,

I just bought a new external harddisk for my backup, I plan to use it 
for my linux system and also my windows.
Linux still can't write to ntfs (maybe can, but with warning), while 
windows can't read fat32 bigger than 32 GB (I think so) even though 
linux can write/read it.
Is there any way that I can use my external harddisk for linux and 
windows the easy way? I don't want to create multiple partition on that 
disk.

Best Regards