I think I found a NAS with TM capabilities. Seagate STBP8000100 NAS Array or BUFFALO TeraStation ES TS-XE8.0TL/R5 I want to set the NAS drives using RAID 5 for all my Mac's. 3 MBP's and 1 iMac. What do you guys think? Both NAS drives would be using 8TB drives (4X2TB).