Want "Fog of War" but find the Inverted Counter rule too cumbersome and the Blind Square rule makes no sense? Here's an easy solution:
At the end of his turn a player may invert any counters not adjacent to enemy units. They must revert when attacking, as do defending units. Receiving replacements or moving and attacking costs 1 MP. The other Advanced rules will work fine with this.
Too many counters? Store them in cheap plastic hobby assortment containers.