The DoTweave rotation is outdated
The correct rotation, as posted here is:
MB(4) > MS > MS > SW
> MB(5) > VT > DP > Ins > MB > Ins (Four full ticks, 2 GCD's, no recast) > DP > MB > Ins (clip at 3) > Ins (clip as soon as MB is off CD) > MB
This will net you 6 ticks of Insanity for every DP cast, without delaying MB at all.
The correct rotation, as posted here is:
MB(4) > MS > MS > SW

This will net you 6 ticks of Insanity for every DP cast, without delaying MB at all.