This question is based on answers received from a couple different questions. Here is what was derived from previous questions:
1) The only drawback to RAID 5 is the amount of time if takes to rebuild a 1TB or larger drive. As long as the drives are 1TB or less RAID 5 is still pa perfectly good option.
2) The TRIM function is nice but not really a show stopper. SSDs can be used fine without TRIM.
Now the question. Would you use a hardware RAID controller or and OS RAID (1)?. I.E. If I wanted 1TB useable would you use a hardware RAID controller say RAID 5 with 3 500GB SSD drives or would you use a OS RAID1 with two 1TB SSDs? I am trying to determing is a hardware RAID controller is worth it or not.....