Same here, I run the game at 1280x1024 and get the smudged grid letters etc. As far as I'm aware there is no cure. 
Nemo
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"I'm afraid there is no disguising the fact that King's obsession with the Pacific and the Battle of Washington cost us dear in the Battle of the Atlantic".
Sir John Slessor GCB, DSO, MC, DL
AOC-in-C Coastal Command RAF
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