I picked up one of these beauties second hand - OK it's an interface rather than a recorder per se, but the Sound Devices pedigree is well respected, and its range of inputs and outputs adds up to a very flexible and extremely high quality device. ..and it's built like a tank!
http://www.sounddevices.com/products...-tools/usbpre2
Bit-perfect Streaming: Raspberry Pi 2 & HiFiBerry Digi+ & MoodeAudio; DAC: Beresford Caiman SEG; Power Amp: Naim NAP 100; Speakers: PMC TB2i
Recording: Mics: 2 X DPA 2011C, 2 X Line Audio OM1, 2 X Line Audio CM3, 2 X Calrec CM652D, iSK SM168, 2 X Behringer C4; Recorder: Zoom F8; Zoom H4N; Interfaces/Mixers: Sound Devices USBPre-2, Behringer Xenyx 802, Monitors: KRK Rokit 6