Which 25 man raid bosses are solo Boxable?

I have been thinkig about this recently, which 25 man raid bosses are mostly tank/spank and thus can be solo Boxed with a 25 boxer, or even 2 10-15 boxers? The following I believe can be.

Rage Winterchill
Even including trash, this guy is fairly simple. Trash up to him is an AoE affair of which all can be tanked by a Prot Pally with heavy heals (about 5-6 healers, spamming in the later waves). The trash would be easily taken care of by boxed mages arcane explosion spamming, with shammies using CL every 3.5 seocond cd.
As for the boss, you would need 2 seperate parts of our keyboard for movement. 1 for the tank, 1 for the rest of the raid. Tanking would be easy, just stand still and take it all. Have the raid stacked together about 25 yds away dpsing/healing. Chain heal, Prayer of Mending and CoH would be awesome, also Wild Growth (would also be easy to have a lb, lb, lb, rejuv macro for a resto druid to chain cast).
Make sure everyone has a pvp trinket equiped to get out of the Frost Bolt he does every once in a while. And just have the whole raid strafe to avoid death & decay (which will hit the raid most times, sometimes it goes for NPCs). It doesn't hit for enough to kill you unless you like to stand around and look at the pretty red stuff. CoH easily heals this dmg up. Rage Winterchill doesn't hit for all that much and with the new hp nerf, it would be easy to brute force your way past this boss.

Void Reaver
If you have someone else clear the trash for you, it is possible to box down this boss imo. 3 tanks, 8 healers, rest dps (any dps able to synch easily, mages/shammies/locks etc).
3 Prot pallies would work for this boss as consecrate would be a constant aggro gen. with Seal of rightousness being the same on auto swing. Holy Shield helps avoid crushings easily and absorb dmg constantly. For healers I would go with 3 priest, 3 Druids, shammy and pally. Priests can CoH spam with PoM. Druids can have lifebloom up on each tank for the whole fight, as well as helping out with Wild Growth for AoE heals. Shammy can chain heal the tank and provide an armour buff, also nice totems and a pally can single target heal the current MT very effectively.
The trick with this boss imo would be to stack the whole raid at VR's feet, avoiding the orbs but in return taking massive raid wide dmg. I believe this would be better than silences as druids and priests can easily heal this dmg up. Also, if you have a lot of elemental shammies in the raid (around 10), imagine all the healing stream totems that would constantly tick to help cover the grounding dmg. (They can get up to ticking for 75 cant they? with 10 thats 750 healing/2 secs raid wide).
So just stand there, nuke and heal through the dmg.


Any thoughts/ideas from you guys. Criticism is welcomed.