Best race for Rsham pve?
Though orc if AG is good with the buffs... plus Orc is most likely better race to play as 5.2 ele (GCD capping issues galore making Troll's berserking value question and variable based on badge trinket+legendary meta procs).
I would say Orc if you split time between Ele and Resto. Troll if you are a resto shaman ~80+% of the "progression" time.
Pandaren double stat food buff is a kinda pretty big deal, even if you run the risk of losing it. Also, the fact is that it's flexible, like Alchemy; need a bit of Spirit to offset having just gotten a Spiritless upgrade which replaced a +Spirit piece? Snack on Spirit food. Have an offspec that gets used in raiding? There ya go, double food buff stats for that spec, too.
Pandas have a good bonus with the well fed, but the lose of the buff during early progression sucks. When you near the kill, and are enjoying .5-10% wipes you're probably not dying anymore so you'll get the full benefit.
Basically what it comes down to is better regen (panda), more static throughput (goblin), or more throughput through burst (troll or orc).
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