It seems the general consensus for single targets is FS, LaBu, LBX3, LaBu, LBX3 with adjustments to the number of LBs as haste makes necessary. This obviously assumes the FS Glyph.

What are people planning for trash? I'd hate to have chain lightning become an obsolete spell especially with the reduced CD. But on the other hand, the above /castsequence is getting close to length issues that adding chain lighting would compound.