Thanks for the responses.
Charles, Thanks for forwarding.
Eqatec,
Thanks. The Trial Download trial page clarification makes things much clearer. The pricing page of your current site still has the same wording that caused all the confusion in the first place (not helped by so many people tweeting about it being a 'free'
Silverlight profiler) and still states "only the Professional license [and above] unlocks Silverlight 2 and above profiling" which is somewhat different from "unlocks method names in the Silverlight profilng". Anyway, it's great that the
limitation isn't the big hurdle to evaluating the product it appeared to be.
Totally understand your reasons for moving from being a free product to a paid license one, and your pricing seems reasonable if the product does "what it says on the tin" 
The reason I wasn't prepared to just trust you with a couple of hundred dollars was that the last Silverlight Profiler I looked at had a 14-day trial where even the most basic functionality didn't work and the response from their support people was "Yes the
installation software is broken. We're looking at it". A month later I've still heard nothing further and am glad I hadn't just rushed to buy the product based on spec. Looking forward to playing with the trial version of your product and purchasing a license
next payday, especially given the excellent review from the Balder project and a tweet I saw from Tim Heuer who seemed to like it.
Einar,
Good to see such an enthusiastic review (and I appreciate your being honest about the review being based on a free license - not everyone's so honest). Thanks for taking the time to write it 