Targor, I agree completely with your main point about picking the game which has the elements you enjoy most and then living with the rest. Just an aside: are you aware that SH3 does have a speech rec mod? It works out of the box, is better integrated than sh4speech - no cursor movement - and is functional in both English and German. You can get it here:
http://www.subsim.com/radioroom/showthread.php?t=132228