I still have no clue how to make Enh put out good DPS. I'm pretty sure my lame *** off hand is to blame, along with a couple other weak links in my gear.
All I know is I was getting 650-750 avg DPS in heroics (and spikes as high as 1100dps for individual pulls) and now as Enh my run was ~460 DPS. Although as a heavier buffing spec, I don't really know how much of the warrior and rogue's insane DPS that run was due to my better buffs (imp GOA/SOE, UR, plus the resto shaman's WF)
Hopefully things turn around once I get a solid offhand, some weapon enchants, metagem filled, and take care of my 'weak link' gear pieces (ie mostly some very basic gear improvements). But thus far it's been really lackluster DPS compared to Elemental.
Oddly I thought this spec would kick *** in PVE and suck in PVP, but then I took it into PVP (since a Gladiator's Cleaver will solve the OH issue) and tore it up in AV after doing lackluster PVE damage. Go figure. /shrug
To more directly answer the OP's questions:
1. I've only ever done "OK" DPS as Enhancement.
2. Elemental is amazing DPS. Throughout heroics I've only ever been out-DPSed by Warlocks and the very rare Skilled Hunter.
It's hard for me to say threat is an issue. For me it's vastly preferable to have the option of doing so much damage that I could pull aggro. At that point I can tweak my damage output as needed, and with really amazing tanks I can do really amazing damage.
Edited, Mar 7th 2008 11:54am by Axehilt