If they do it wrong, it is going to leave a bitter taste in my mouth!!
IF they do this--I think they have to depart completely from BBM, and maybe say be a cousin of someone already on the show, and come to visit and bring their 'Partner" along. And get introduced as totally new and different characters.
If they incorporate a real storyline, it might be nice, but if they are just going to have Jake and Heath pass through to boost ratings---it could really suck. I too am up in the air and nervous about this thing.
Will and Grace have so much inner cast chemistry, that too many times when they have "special" guest stars---the guests never actually have enough to do and don't really get involved in the plot of the episode enough. Then it turns yechy instead of great.