Someone must have been doing some serious sniffing around to find this: If you go to http://www1.lego.com/eng/service/replacementparts.asp#content and type in the following set numbers, you can see an inventory and set name for each:
10184 Town Plan
10185 Green Grocer
10186 General Grievous
10187 Volkswagen Beetle
10188 SW Death Star
10189 Taj Mahal
Thanks to dr01d3k4 for the info.
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