This is the current DPS macro I'm using.

/cast Auto Attack
/castsequence reset=11 Flame Shock, Lava Burst, Chain Lightning, Chain Lightning, Chain Lightning, Chain Lightning, Chain Lightning

However, I cannot take advantage of the Lava Surge proc, because if I add /cast Lava Burst to the bottom of the macro, it causes the macro to stall.

I've read people who multibox Elemental Shamans can use Lava Burst in there DPS macros...