Maybe the most convenient way to browse all the sales currently running at simMarket, is to check their newsletter that are regularly updated.
The last issue lists the offers that you may be interested in : Just Flight advanced aircraft, the Mig-21 of Golden Key Studio, LatinVFR, REX tools for the weather and environment , Drzewiecki Design, WF Scenery Studio and many more. A total of 70 vendors are participating.