I just can't seem to be satisfied with ANY later build than 7137.
7260-X64 regresses -- My LAN card again doesn't work (fixed build 7137).
Backup (Acronis True Image Workstation) doesn't work anymore.
Office Outlook 2007 seems to get random problems when either attaching flles in email or retriving attachments.
DVD playing only works with VLC (media center appears broken).
PC-TV Terrestial digital TV cards (Hauppage / Pinnacle) don't work. (Build 7260).
If these builds are nearing RTM I hope that the compatability options will be fixed.
7137 for me is 100% stable and EVERYTHING I need is working.