m4 update:
406.8336 TiB
1344 hours
Avg speed 90.19 MiB/s.
AD gone from 134 to 119.
P/E 7135.
MD5 OK.
Still no reallocated sectors

Click image for larger version. 

Name:	M4-CT064 M4SSD2 SATA Disk Device_64GB_1GB-20110829-2201.PNG 
Views:	1203 
Size:	92.2 KB 
ID:	119469

An unexpected turn for the Kingston. When I came back from my weekend trip the drive had dropped out and APU was non responsive.
I'll try a restart and see if that helps.

m4 question: Should I update to the latest firmware or should I wait?