Rob Bernhard , Aug 12, 2005; 10:20 a.m.
There are plenty of camera review sites (like dpreview.com) that, in their reviews of DSLRs, will look at the output from a number of RAW conversion software tools.
Here's the one from the 20D review:
None of them are created equal and each produce slightly different results. In my opinion, you are doing yourself a disservice by not trying out at least one other one to see how (or if) the results are different.