Yep, will definitely be doing a detailed comparison because the SHE3580s sound pretty damn good! It's too early to make a proper comparison, but i can say one thing. The SHE3580s are alot easier on the ears.
Bought the SHE3580s today. For everyone in New Zealand, you can get them for $29.99 at Noel Leeming, Bond & Bond or Harvey Norman. They are currently going for $23.99 at Noel Leeming and Bond & Bond thanks to the boxing day specials.
Here's the packaging you should look out for:
Will have a listen tonight