tracking/vocal monitors

[c9-2001]

i need some extra monitors for tracking and mainly mixing vocals on.. i use 20/20bas's right now and i get clean mixes no problem, but i often find myself taking away a little to much mid-range from my vox b/c sometimes vox sound muddy on the 20/20's.. perhaps its b/c the 8inch, the extended lows.. who knows..
so i want an extra set of monitors just to mix vocals on.. perhaps make a few beats on.. what ever...

i was looking at spending no more than 400 b/c i have to save for my Event asp8's
i've been looking at:
KRK RP5 Rokit
KRK ST6
Roland DS30A
Samson Resolve 50a
Tannoy Reveal (passive)
Mackie PS5

if you have any others in mind let me know so i can check um out... so far outta this list.. which monitors would you choose to team up with 20/20bas's

[Stealthtech]

Yorkville YSM1p
http://shop.store.yahoo.com/gear1/yorkvilleysm1p.html

[c9-2001]

any one else?
i've been thinking about the tannoys b/c i've used them before, though the yorks have good reviews all around.. so far its between those 2