Equipment to Try

Headphones
Phiaton PS 500, $175.79 Amazon
Fostex T50RP Studio Headphones

Audio Technica ATH-ES7, $156.99, Amazon

Fischer Audio, FA-003, 167.00, gd Audio Base

Home Amps

Music Hall DAC 25.3, $595.00
Little Dot Mark III $199
Shiit Valhall, $349

Woo Audio, $495, Woo Audio

Audiotailor Jade, $300, Audiotailor

Darkvoice 336SE $249, Audiophile China

Portable Amps

uDAC II, $129.00
iBasso PB1, $229, iBasso 

Vivid V1, $99.00

http://www.vividaudiotech.com/products.htm

Penguin Royal Amp, $80

http://www.penguinamp.com/Trade-In/Return-of-PenguinAmp-Royal-or-Deluxe::10116.html

Headstage Lyrix Amp

http://www.headstage.com/Headstage-Lyrix::10064.html

uHA-120

http://www.hifiheadphones.co.uk/just-audio-uha120-headphone-amplifier-anodised-silver-uha120-prodid-3739.html

Cables:

FiiO Line Out Dock (LOD) $21.95

http://www.amazon.com/FiiO-L3-Line-Cable-iPhone/dp/B003UCESP8

ebay LOD $31.95

http://cgi.ebay.com/IPHONE-LINE-OUT-DOCK-CABLE-PLUG-GOLD-DRAGON-II-/290493379367?pt=LH_DefaultDomain_0&hash=item43a2c13327#ht_4985wt_907

iBasso LOD $36.00

http://www.ibasso.com/en/products/show.asp?ID=55

Sendstation, $29.00

Whiplash Audio, $160
http://www.whiplashaudio.com/elite-reference-line-out-dock-lod.html

6" USB Cable

http://www.amazon.com/gp/product/B000067RMY

Case Logic Portable Amp Case 6.75" x 5" x 1.7"  (D10 - 2 1/8" x 3/4" x 4")

http://www.caselogic.com/nintendo_ds_game_case/product_detail/index.cfm?modelid=120654&productid=1312288

6" USB to USB mini

http://www.amazon.com/MonsterHigh-Speed-Mini-USB-700/dp/B002CVTUAQ

http://www.liquidware.com/shop/show/USB-M/6+inch+Type+B-Mini+USB+Cable

6' ft Toslink to Mini

http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10229&cs_id=1022902&p_id=1557&seq=1&format=2

9V Rechargeable:
http://www.amazon.com/gp/product/B0038Z8HQ8/ref=olp_product_details?ie=UTF8&me=&seller=

http://www.batteryjunction.com/ipowerus-9v-520.html