Adorama offers the Tascam 6-Track Digital Multitrack Recorder, model no. DP-006, for $83.99 with free shipping. That's a buck under our July mention and the lowest total price we've seen. (It's the best now by $14.) It features two built-in omnidirectional condenser microphones, two 1/4" TS line inputs, USB, and 1/8" stereo line and headphone outputs. It runs on an AC adapter, four AA batteries, or an external battery pack (not included).
Also available is the Tascam 2-Channel Portable Digital Recorder, model no. DR-22WL, for $79.99 with free shipping. That's a buck under our July mention and the lowest total price we could find by $30. It supports WAV and MP3 bitrates up to 24-bit/96kHz and features a fixed cardioid condenser microphones in an XY pattern, remote file transfer and streaming over WiFi, and Android and iOS control apps.