Definitely lighter weight, the 27" are freaking HEAVY, I'm only saying this out of personal preference, it would be a lot easier to move around the room and especially when I want to pick it up to dust/clean my desk area. If they were to make it much lighter, hopefully it would involve making it slightly thinner too while their at it. Make it look even more aesthetically pleasing. I'm fine with them taking out the DVD drive, I think everyone wouldn't mind that cause it would give people the option to get their own, there is also the separate drive they have for sale on the store. Also one of the last moving parts to take out and mostly ensure you don't have to open it up in 2 years from the DVD drive failing or something. Would hope to keep the option to upgrade to higher ram, I think it would be smart to leave it the same as the current iMacs easy swap out ram. Hopefully since the SSD prices have gone down dramatically they will put in a nice size SSD standard. Screen, no need in my opinion to upgrade the resolution, the 27"s still have one of the sharpest resolutions for its size. That's all I could come up with right now. I apologize if anyone has made a tread like this already, I looked through a few pages but didn't find anything too similar.