Guild Wars 2

After yesterday’s patch, I decided to revitalize my hybrid direct damage / condition damage build for some testing, and I found this setup most enjoyable. However, I feel as if my build is far from optimized, so I wanted to start a theory crafting discussion on how to get the most bang for the buck out of a hybrid build. Without further ado, my current setup (primarily PvE):

30/25/0/0/15 Build
Note: Move Axe Training down to the Master tier, and add Dhuumfire for the GM Spite trait.

Now, here are what I see as the debatable points for build optimization:

Traits:
I went 25 into Curses for Target the Weak and 15 in SR for Last Gasp. Imo, the GM traits in Curses are not super special for this build, unless Lingering Curse also affect burning procs caused by your scepter. Has anyone tested this?

Conversely, Last Gasp is a pretty major survivability boost, and the extra 5% crit damage does not hurt in a build that is already lacking crit damage.

Utilities:
Epidemic, Blood is Power, and a stun-breaker (Spectral Walk or Spectral Armor).

I have been thinking about swapping out BiP for Signet of Spite though (and grabbing the associated Signet Mastery trait. The passive power boost and active 3 stacks of might would not be quite as good as popping BiP immediately after an Epidemic, but it is looking hard to pass up 18 seconds of weakness and 5 stack vulnerability (+80% condition duration).

Stat Preferences (Sigil and Oil):
In my current setup, I favored Precision over Condition Damage or Power for boosting via sigil stacks and maintenance buffs. My rationale for this choice was that Precision is the only stat that boosts both direct damage and condition damage (via additional condition procs).

However, it seems that stacking condition damage with a Tuning Crystal and Sigil of Corruption may have a better pay off here. It would result in a gain of about 360 condition damage, at the cost of 18% crit chance (67% reduced to 49%). Thoughts?

Runes:
I currently have three Lyssa runes for the Precision and 10% condition duration. This boosts me to 80% duration on all conditions (30% Spite, 40% food, 10% runes) and 100% duration on bleeds (Hemophilia). Other three runes are undecided, but I would probably use something with the main stat of condition damage. Unfortunately, there is no condition damage +15% burn duration rune to pick up here.

Sigils:
Other than Perception for Precision stacking, I have one Sigil of Earth in each weapon set. Seems pretty standard for my goals. Are there other options that are worth consideration here?

Elite:
Meh, any elite works here. I mostly use Plague for dealing with really annoying trash packs in dungeons or errant pulls of far too many mobs. Plus, the long stability is handy for running.

What are your thoughts on optimizing the hybrid DD/CD build? What adjustments would you make to the above to get maximum performance out of this playstyle?