The Viewer that AMV recommends to be the best for our grid is Firestorm 6.6.3 for OpenSim.
It is the most stable version we have tested and shows BoM very well.

S P E C I A L ! ! . . . . . . . . Need to expand? can you keep your prim count down?
Special Offer 5x5 region.
[25 region SL equivalent].
Grid water edge connected 40,000 prims for $25 per month.
Fully editable and terraformable.