QUOTE(BlueRain77 @ May 28 2006, 07:49 PM)

So does that mean that when the K-1 expires until you get the Green Card, they can't work? There is no temp work card for that time? Is 90 days the longest possible scenario?
There is a temporary work visa for that time - it's what everyone here calls the EAD. The green card automatically lets you work, but if you want to work while your AOS is being processed, you apply for an EAD (form I-765) in conjunction with AOS. The EAD is good for one year, and renewable if you don't get your green card in that time frame.
However, you can only apply for the AOS-based EAD after you are married. You need a reason to qualify for an EAD - being a non-immigrant fiance is one, being a spouse is another (there are others, but these are probably the only ones you'll qualify for).
He can apply for EAD as a non-immigrant fiance, but as I said before, it's probably worthless. It can take 90 days or even more to get an EAD, and by the time he gets it, it'll likely be expired. As kc456 said, if he is really keen to work now (especially if your wedding is in a month or more and it'll be a hardship for you to have him not able to work for 4+ months), you might want to consider getting legally married ASAP, apply for AOS and EAD, and then have your wedding whenever you were planning to. It will speed up the process considerably.
Sorry if I repeated any information you already knew. Does that answer your question?