I think the Snap To Grid is broken, because I remember having that on before.
As far as exact positioning, the way I did this was just go Modify First Tab - Transform, and set the X position in 200 increments.
Omniverse has an Array tool that is very useful, I wish IClone had the same thing.
Creator of the free website:
PixelDatabase.Net
A Free Online Text Based Image Editor
