I recently ran across Popcorn Hour A-100, it seems like a possible/perfect MD, i cant find any hardware specs on it, but its feature list is quite impressive :
* Connectivity
o Bonjour, UPnP SSDP, DLNA, Windows Media Connect, Windows Media Player NSS, SMB, NFS
o HTTP servers: myiHome, WizD, SwissCenter, MSP Portal
o BitTorrent P2P
o NAS access: SMB, NFS, FTP
o Web services
* Video containers:
o MPEG1/2/4 Elementary (M1V, M2V, M4V), MPEG1/2 PS (M2P, MPG),MPEG2 Transport Stream (TS, TP, TRP, M2T, M2TS, MTS),VOB,AVI, ASF, WMV,Matroska (MKV),MOV (H.264), MP4, RMP4
* Video codecs:
o XVID SD/HD,MPEG-1,MPEG-2,MP@HL,MPEG-4.2,ASP@L5, 720p, 1-point GMC, WMV9,MP@HL, BP@L3, MP@L4.0, HP@L4.0, HP@L4.1, VC-1,MP@HL, AP@L3
* Audio containers:
o AAC, M4A,MPEG audio (MP1, MP2, MP3, MPA),WAV,WMA
* Audio codecs:
o WMA,WMA Pro,AAC,MP1,MP2,MP3,LPCM
* Audio pass through: DTS, AC3
* Photo formats: JPEG, BMP, PNG, GIF
* Other formats: ISO, IFO
* Subtitle formats: SRT, SMI, SUB, SSA
* DRM: Cardea DRM (WMDRM-ND
* Chipset: Sigma Designs SMP8635
* Audio/Video outputs:
o HDMI v1.1 (up to 1080p), Component Video (up to 1080p), S-Video, Composite Video
o Stereo Analog Audio
o S/PDIF Coax Digital Audio
* Interface: 2x USB 2.0 host, Parallel ATA
* Network: Ethernet 10/100 (wired)
* Power: 12V DC, 3A
* Dimension: Width 10.5"(270mm) x Depth 5.25" (132mm) x Height 1.25" (32mm)
* Weight: 2.2 lbs (1Kg)
http://www.nuforce.com/Product-Online-AV.htm