Ahhhhh, silence is bliss. I've had the noise pretty much like in the youtube clip since I got the car. I'd bartered the purchase price down arguing that the noise could be the gearbox on it's way out, so was kind of quids in. I'd finally had enough of the 'reversing' type noise when I was accelerating in lower gears, so a bit of trial and error later with various tensioners, pulleys and waterpump, it's sorted and the car sounds so much smoother to boot, no heavy tractor noise anymore, quite creamy in fact. Also had an oil cooler pipe that was rubbing on the sub frame moved.
GT 3.2 V6 - Q2, KONI FSD & EIBACH PROKIT, GTA REMAP, MICHELLIN PS3's, BMC CDA
159 SW 2.4JTDM TI - ALFATUNED, WIZARD BACK BOXES, KW V3 COILOVERS, NOKIAN WR A3/MICHELLIN PS3, PCA DYNAMICS ALIGNMENT.