OP

Quoted from acebathound:

Yay! Looks great!
Assembly getting quicker for you? Most people find they can make pretty good time once they know where everything goes.
On the UNO's it takes me about 30min per board. Actual soldering is about 2hrs, but component placement & clean-up add time.
I populate all the resistors, caps, diodes on the board and solder them all at once. You can snake the soldering iron in-between and around component legs. Helps me make better time on the boards. So I populate 5x boards with those components, solder them all. Then solder in the SMD part and 2-pin 2.54 header. Then the ICs. Then the .156 headers and finally the digits.
A tip I give most people is to not sit down and solder all 5x boards in one shot, especially if it's your first time assembling the kit. You don't want to be 4+ hours sitting down soldering, it'll seem like a real chore. Better to take a single value resistor, populate it on all the boards, solder it on all the boards.. then just walk away for a few hours or come back to it the next day and do the same thing with the next component on all 5x boards. You'll have the boards built out after a few days or a week and hardly feel like it took much time. There's something to tricking your brain in breaking things up like that so the time it takes isn't felt so much.
It also helps completely assembling a single display board if it's your very first kit, so you get one working and you're excited to solder together the others. Then you can do as I noted above with taking a single component & populated all the boards with it, stepping way for a bit, and doing the same thing again.