FiiO E17 Alpen DAC & Headphone Amplifier + Brainwavz HM5 Monitor Headphones $194 Free Delivery
Now maybe this one is not going to be a crowd-pleaser but quite a few fellow ozbargainers asked me to post $100+ digital amp deals if I come across any and I believe this one is pretty good:
The Fiio E17 is:
A portable headphone amplifier with USB audio decoder (DAC) is designed for dual-functionality. The E17 both replaces PC on-board sound cards as the primary audio decoder, which can lead to an increase in audio quality, as well as provide high quality sound amplification and drive high-powered high-end headphones. The E17 support different inputs including optical and coaxial.(this was the description from MP4Nation)
A detailed review for the fiio e17:
The deal also includes the HM5, which:
•are high-detail monitor headphones.
•come with 1/4" adapter, extra set of earpads and an airplane adapter
A comprehensive review from head-fi.org:
If you use the discount code fb2012fiver, the price comes down to AU$193.59, including delivery.
If you are OK with it, my referral link:
Cheers. Hope you enjoy 'em.