Tweak Sez: You can Browse the whole store by Price here.  Just try that in the real world!

M-Audio Delta 44 Digital Audio Sound Card The Delta 44 offers the same features and high performance as the Delta 66, but is designed for the person who does not require S/PDIF digital I/O. The Delta 44 features the same 24-bit 96kHz converter section that makes the Delta 66 the envy of the audio card community. And like the Delta 66, the Delta 44's breakout box handles 4 balanced or unbalanced, +4dB or -10dB signal level analog inputs and outputs. Also included is the Delta control panel software, which configures the card and controls digital mixing and routing.
Priced from 149.00

Echo Mia MIDI PC Digital Audio Interface If you're serious about digital audio, you shouldn't settle for anything less than a truly professional audio interface.... and now with Mia MIDI you don't have to. Mia MIDI offers a pair of balanced 1/4 in. analog inputs and outputs and operates at the +4dBu levels used by pro-audio gear. It combines this with 24-bit/96kHz converters and 106 dB of dynamic range for the quality your recordings deserve. Also included is an S/PDIF digital audio interface for connecting to other digital audio equipment, and MIDI input/output jacks on a custom molded cable.
Priced from 179.00

M-Audio Audiophile 192 64-Bit PCI Audio Interface The Audiophile 192 continues the legacy of M-Audio's industry-standard Delta audio card line. Building on our Audiophile 2496-one of the world's most popular audio cards-the Audiophile 192 features high-definition 192kHz sampling rate, digital I/O, balanced analog I/O and an amazing signal-to-noise ratio. The Audiophile 192 represents a new benchmark in audio performance that's as good as it gets for music production, mastering and critical listening. As with all Delta cards, you get rock-solid drivers and seamless integration with your favorite Mac and PC applications-and even the ability to combine multiple Delta cards in one system*. And since M-Audio is always ahead of the pack, this world-class card is also compliant with PCI 2.2 and 64-bit audio drivers so you're ready to take advantage of next-generation platforms and software. The Audiophile 192 is the new world-class standard in stereo audio cards.
Priced from 179.00

M-Audio Delta 66 Audio Interface The Delta 66 was designed for the person requiring an audio card with professional features and performance, but with a price tag well below that of typical pro gear.
Priced from 179.00

M-Audio Delta 1010LT 24-Bit 96kHz PCI Card The 1010-LT offers the professional performance required by today's most popular software programs, and provides you with features like 24-bit 96 kHz recording, zero latency monitoring, and digital mixing.
Priced from 199.00

Echo Gina 3G PCI Audio Interface Gina3G is the third generation of our budget priced, professional quality digital audio recorder. The original Gina premiered seven years ago to critical acclaim and since then we've been perfecting the art of making high quality recording products at affordable prices. The new Gina3G brings you the best features of Gina24, but with better converters, dual mic preamps, and MIDI!!
Priced from 279.00

Echo Layla 3G 8-Channel PCI Audio Interface Layla3G is the third generation of Echo's flagship PCI-based multitrack digital recorder. The original Layla premiered seven years ago to critical acclaim, including a TEC award nomination. Since then Echo has been perfecting the art of making high quality recording products at affordable prices. Now you can get all of the features of the Layla24 for a new low price, but with better converters and dual mic preamps!!
Priced from 499.00

Lynx Studio Technology Lynx L22 24/96/200 2 I/O PCI Card The Lynx L22 is a professional audio interface card intended for use in the most demanding audio recording, post-production, broadcast, and measurement applications.
Priced from 675.95

Mark of the Unicorn (MOTU) 2408mk3 Digital Audio Interface This box contains everything you need to turn your computer into a powerful 24-bit/96kHz digital audio workstation. The 2408mk3 provides 8 channels of pristine 96kHz analog recording and playback, combined with 24 channels of ADAT and Tascam digital I/O - the most ever offered in a single rack space audio interface. Connect up to 4 interfaces to the included PCI-424 card for an expanded system capable of 96 simultaneous active input and output connections at 96kHz.
Priced from 949.95

M-Audio Audiophile 2496 M Audio's Audiophile 2496 card is the latest addition to its highly successful Delta family of soundcards. The Audiophile 2496 is an all-in-one high fidelity soundcard solution for a wide variety of applications, ranging from multi-track recording to computer-based home theatre.
Priced from 99.00