Hmm...the slightly smaller size would be nice, I have small hands so big phones don't really do it for me. Might consider getting this instead of fixing the Nexus 4, depends on how much a Moto E replacement screen costs.
Low to mid range no-contract phones would be a very good role for Motorola to fill. The Nexus line, while good value, has always put raw specs over build quality and the other unlocked choices are incredibly expensive and more phone than most users actually need.
Why worry about the repair cost of a screen on a Moto E? I mean $129 is cheaper than replacing the entire Top Glass, Digitizer and LCD that come fused together on almost every single current gen phone. The sad thing is my Atrix HD and Atrix 2 and Atrix (holy hell I was an Atrix fan), all could replace each part individually. So when I broke my LCD (but not the top glass.......) on my Atrix HD it cost me all of $36 for the replacement LCD, and my time. The Atrix 2 was the wifes that now serves as my business phone and ran me less than $25 to repair for top glass. The original Atrix 4G I haven't repaired but it was my old phone that was broken by my brother in law when lent to him, I'm suspecting less than $20.
I really wish manufacturers would make these things more repairable, the Motorola's thus far seem like they have been designed to be repaired. Unless there is a major benefit to fusing the 3 together other than price, I'd like to see the Motorola modular design to be continued.
As far as my "dream" phone.... If the Moto X+1 pans out as a 5.0in - 5.2in screen, with similar CPU performance to the Samsung S5, a near as good camera, dual sim option, SD card offerings and can sport a 2800-3200mAh battery, while keeping a fairly clean Android OS with similar or improved features to the original Moto X, and dare I ask for waterproofing like the S5.... With a price tag of no more than $400 off contract, then I'm sold. Damn I'm a hard sale.