Seems like the education sale of this laptop is back. You need to have access to an edu email account to purchase this.
This is the 3rd generation with broadwell cpu.
$1,439 is for the i5 4G 1080p model, add $55 to upgrade to WQHD screen, and $83 for 8GB memory.
SSD upgrade is probably better that you do it by yourself, much cheaper this way. BTW, I think the ssd m2 port on this device support both pcie and sata, so if you want maximum performance, be sure to pick the pcie one.
Some extra note:
1. You can add a basic usb dock for extra $1, not that useful compared to the onelink plus dock, but it's just $1
2. The touchscreen version of wqhd display adds >100g weight and some thickness, possible shorter battery life as well.
3. For those who care, x1 gen3 seems to be one of the best top laptops for linux support, the new dell xps 13, hp spectre x60 both have the sound issue.
Word of warning about for anyone thinking of upgrading the ssd themselves. It's a non standard size and welded on. I had a hell of a time trying to recover data from my X1 earlier this year after it died.