Folks over at XDA-Developers have managed to extract and run Windows Marketplace for Windows Mobile 6.5 on Windows Mobile 6.0/6.1 devices! All you have to do is to download and install the .cab file discussed here which will then download an update for Windows Mobile to make it ready to use on Windows Mobile 6.0/6.1 devices. This .cab file fix will also work on cooked ROMs of the recently leaked builds of Windows Mobile 6.5 Build 230XX and 234XX branch.
Two fresh new builds from 230XX and 234XX branch of Windows Mobile 6.5 are out, courtesy Da_G of XDA-Developers.com. These new leaked builds (Build 23060 and Build 23420) were compiled on 28th September 2009 and brings some minor improvements which are listed as follows.