my cases came out of being the cheapest solution i could find at the time in my country to be able to do the job. We have 5in3's here but they are around $200US, we have some drive rack cases but they are well over $1000us. No 3ware, no acera really around and easy to purchase.
my computer...
this rig is about to be pulled down and changed into rack cases (3x norco 4020's)
icore 7 920
gigabyte x58
6GB ddr3
280GTX
highpoint 2340
Adaptec 52445
44x 1TB drive's
Broadcom dual gigabit
this is my lanning rig :)