I just started using this wonderful program but I noticed this problem after a few minutes.
Grouping licenses is a must, otherwise it's impossibile to keep track of upgrades, volume programs, and so on.
I would just create a table where you insert Group Names (ex. MS Office)
Then choose between the discovered licenses the names to be added to this name (like you do now when you select the license to keep track of)
This way all versions of MS Office are considered in the report like one (2000, XP, 2003, 2007...)
Remember that when you buy Volume Licenses you can legally use old versions, so you might have a totale of 100 Office licenses, 10 of which are 2000, 30 are 2007, and so on.
I'm interested in tracking these 100 licenses to see if I'm running out. The detail is good to see how many PCs must be upgraded, but for the legal stuff it's the total that matters.