I'm not sure this is the correct area to post this in, but it is a This or That? topic... Less than 6 months ago, I finally replaced my aging e-p1 with a like new e-p3. In addition to the two camera bodies, my kit also includes the 17mm 2.8 kit lens and the 45mm 1.8 lens. AF is drastically improved when using the e-p3, especially when the 45mm is on it. Unfortunately, the camera really struggles in low light when the 17mm is attached. This is not good, considering that the 35mm FOV is my favorite. I would say 95% of my photographs over the past 4 years were taken using this lens. I use the camera primarily to take pics of my 3 year old and 6 month old, although I also use the kit for taking portraits and in my documentary work. I'm now left with a few possible options: 1. Replace the e-p3 with a newer body, such as the e-m5 or e-pl5, and keep the lenses (not sure this will improve low light AF performance) 2. Replace the 17mm 2.8 with the new 17mm 1.8 3. Try out a new go-to focal length and add the Panny 14mm 2.5 lens as my low light lens. Any thoughts would be greatly appreciated.