Mirror image a level 90 talent?

[Cashew]

Keep [Mirror Image] and [Alter Time] as baseline spells and, for example, for the level 90 talents create a new talent called [Greater Mirror Image] that enhances the [Mirror Image] spell for the mages who choose it, without having to steal the basic spell of the other mages who do not choose that talent.

I don't think that Mirror Image is a very powerful tool in pvp so it would be awesome if they let us stay with it (just for the memories) while still making the talent.

[Deleted]

Agree with many others, MI had a good flavor but never felt it had the matching impact in PVE, would be happy to see it becomes a real potent CD even if it means it's becoming a talent

So if Rune of Power gives 15% more damage (100% uptime, neglect time for recast) and all talents will benefit approx. the same... Mirror Images have to deal ~ 90% of your damage additionally in the 30s active time with 3min CD? (+90% damage * 30s / 180s = 15%).
Of course, 90% is too high as this would be only the "15% average benefit" for n*3min fights... so maybe it's just 60% additional damage or so... isn't that a bit "bursty" (concerning PvP) ?

Well, I do not play PvP at all so maybe I can't evaluate this, just something that came to my mind.

@Poll: I like the fact that MI will be buffed to satisfy the role of a damage CD (now they only deal a very tiny percentage of your total damage), but I don't like the idea of converting a baseline spell into a talent