If you are searching for a new portable voice recorder this week, then check out the Voice Trek DM-4 from Olympus. The gadget features a 2.2-inch color LCD screen with a QVGA resolution (320 x 240), an integrated “text to speech” function and an 8GB of internal memory (expandable via microSD / SDHC cards). The Voice Trek DM-4 can record sound in Linear PCM mode, (48 kHz/ 16bit) MP3 mode (44.1 kHz/ 320kbps) and WMA mode. Its Lithium ion battery provides enough juice for up to 12-hour in Linear PCM mode. Measuring 45mm x 113mm x 15mm and weighing 98grams, this portable voice recorder is priced at 30,000 Yen or approx. $327.