I have Althor's Abaccus, and since I have no luck so far with Solace from Jaraxxus, I'm not too sure which of the 2 bad trinkets in which I have is better for REGEN.
Majestic Dragon Figurine
http://www.wowhead.com/?item=40430
vs
Ephemeral Snowflake
http://www.wowhead.com/?item=50260