OEM means just the part by itself with no box, cables, manual or warranty (retail is with box, manual, warranty, etc.). I read on newegg all the reviews on the refurbished boards and about 7/10 are very happy! I just ordered mine yesterday
__________________
Thermaltake Xaser III V1000A case
Asus A7N8X Deluxe pcb 2.0
(2) 512mb Kingmax pc3200
Athlon XP 2500+
-Thermalright SLK-900A
-Vantec Tornado 92mm
-Arctic Silver III
Enermax EG465p 431w Whisper p/s
GeForce4 Ti4600 128mb
(2) IBM 40gb 7200rpm HDD's