Microsoft must be hard at work. After the much liked update UR5, UR6 containing multiple fixes have just been released. http://bingsoft.wordpress.com/2012/01/12/dynamics-crm-2011-rollup-6-now-available/ Advertisements
There are quite a few ways to introduce configuration data into plugins: 1) unsecure/secure configuration 2) configuration entity 3) webservice. There are pros and cons to each one of them, which one have you been using?