I need to replace my Epson 5020UB Projector lamp (ELP-LP69). I have looked on here and I understand thee is quite a difference between bulbs from the original manufacture and off brands. However, in my research I noticed that several suppliers are $100 or less than Epson and states that the bulb is a genuine OEM bulb inside. Would it be okay then to order it to save $100 + ? Thanks in advance!