[jonecoogan]

Well, I'm not sure what all has been added to HSFX 4.1 since UP 1.8 came out before it, but the next UP will contain HSFX4.1 and a little bit extra.Through the mod enabler you will actually be able to enable pure HSFX 4.1 in the new UP, or add the extra stuff, so the new UP is going to basically be HSFX 4.1+.