Yep. And that is why I finally pulled the plug on FNB. Joined investec 2 weeks ago and already reaping the benefits. Their loyalty program also tally up on a daily basis, not monthly like eBorks.
1. My current challenge is using other brand's drives in my DS925+, but having another DS925+ will help by simply providing moar space.
2. I would add the second one as a mirror to the first one's storage pool.