Yeah I went ahead and purchased a new card. The card/system in question is a 1GB CF card in an Alix box. It's still trying to finish updating packages after an update from nearly 20 hours ago. Still nothing in the logs or dmesg though. And the CPU is nearly idle.
last pid: 24993; load averages: 0.00, 0.00, 0.00 up 0+20:01:12 18:31:05
42 processes: 1 running, 41 sleeping
CPU: 0.0% user, 0.0% nice, 0.4% system, 0.4% interrupt, 99.2% idle
Mem: 37M Active, 71M Inact, 42M Wired, 34M Buf, 85M Free