Sorry for the perpetual bump ups ;)

IER-002 is now available on Juno.co.uk -

ZAHN, Dusin vs PAUL BIRKEN: Bringing God Down A Notch (Internal Error US)
12": "Bringing God Down A Notch" (Dusin Zahn original mix) / "Bringing God Down A Notch" (Paul Birken rebuild) / "The Too Bye Fore" (Paul Birken original mix) (IER 002) [6.50] -

It is also available here in the states at PlanetXUSA.com -

DUSTIN ZAHN VS PAUL BIRKEN Bringing God Down A Notch (INTERNAL ERROR, FMT: 12) $7.40 TECHNO
MINIMAL