Deleted, (replied twice) :(
praxis22
Try using Firefox: www.mozilla.com it comes with a built-in spell checker and you can download dictionaries in many languages. Basically it puts a red line under spelling mistakes in text fields and you can right click on the error for a choice of corrections.
Personally I disagree with the OP in principal. I like to turtle, and research the full tree, then attack. Fundamentally I disagree with the rush, I like games that take a long time to play. My first small map, on normal, took 9 hours at which point I surrendered as I could see that I was going to lose in the next few hours. My second game, again, on a small map on normal, took 14+ hours, (in one sitting) and I beat it fair and square. In this way you tend to have much more satisfying