You describe the situation for the former A-G as terrible - it's only terrible for him. No-one else gives a fuck as it doesn't matter any more.
I use NTFS on mine.
Windows obviously works, linux works well with NTFS-3G and I believe you can get NTFS-3G to work in OS X via macfuse.
My problem lies in reconciling my gross habits with my net income. -- Errol Flynn Any man who has $10,000 left when he dies is a failure. -- Errol Flynn