I think that sigs are essential. They give you a frame in which to absorb the infomation a person is giving. I on the other hand think the basic into is more than enough and should be on ever post so you do not have to go back multilpe pages to find the sig for a person. More detailed info can be put in the profile and I think that is appropriate.
Tim Sigs like yours, although fun, are just enoughing after a while. Just to many colors. I think the complexity is a negative.
Joe, I found your sig prior to this change to be very good.
ANyway I think this new system will be good. The sig should give basics like year, model, engine , transmission, gearing, tire changes, perf. mods,... . Stuff you would like to know when reading what a person has written.