MicroCenter offers the Dell S2240M 21.5" 1080p IPS LED-Backlit LCD Monitor, model no. CFGKT, for $119.99. Opt for in-store pickup to avoid the $17.10 shipping fee. That's $10 under our September mention of a shipped unit and the lowest total outright price we've seen for this display. (It's $16 less than shipping it today.) It features a 1920x1080 (1080p) native resolution, LED backlight, and VGA and DVI inputs.
Best Buy offers its Dell 21.5" 1080p Touchscreen LED-Backlit LCD Monitor, model no. S2240T, for $199.99 with free shipping. That's tied with our Black Friday week mention as the lowest total price we've seen. (It's also a current low by $95.) Features include a 1920x1080 (1080p) native resolution, LED backlight, 10-point multitouch display, USB, and HDMI, DVI-D, and VGA inputs.
Update: It's now available for in-store pickup only.