I am not knowledgeable when it comes to basketball, but I would recommend looking at ebay sold items. It gives you a quick snap shot.
In this search I did a search for any year between 1987 and 1998 ('90's' usually seems loosly defined by these years in sports cards) and filtered out Jordan (since you already mentioned him).
This showed there may be some items worth looking into...
http://www.ebay.com/sch/Basketball-C...-jordan&_sop=3