I have a problem with RME's inventory reporting for our 2811's whereby RME reports the WIC and HWIC modules as all having the same serial number (4294967295 - which funnily enough is 2 power of 32 minus 1). This is across a large number of routers and IOS's.
Using LMS 2.6 / RME 4.0.5.
An example is attached of an RME custom report to show all modules and their s/n's.
RME is using a deprecated MIB for this platform probably because the platform does not fully implement the ENTITY-MIB yet. There has been a slow migration towards the ENTITY-MIB, so the 2800 will definitely be covered in an upcoming release, but doing so will require coordination between the CiscoWorks and device engineers.