Hello! I'm looking for a Digital Recorder. I found these tree and I want to ask you what's your opinion about about them and which will u suggest to me to buy. But if u have some other options please feel free to tell me. Here are the tree Digital Recorders: 1) Roland R-09HR Ver.3.0 WAVE/MP3 Recorder :: Specifications 2) Product: DR-07MKII | TASCAM 3)Digital Voice Recorder | ICD-SX712 | Sony USA Thank you.