Ok, I have heard mention of alot of 2500A clones out there....I just got the #'s off the chipset...STi5518BQC....Can anyone tell me if this is a clone or original....this receiver was bought in July of 04....I did go ahead and install an aluminum heatsink purchased at 1.69 from R*d** Sh*ck...thanx and keep up all the testing...FTA! FTA! FTA!