I got a good question today via Twitter that I have some expertise in:
What would you consider the "best" monitor for Macs...for a [good] price?
I've been buying monitors for small to mid-size companies for awhile and have one each of a Sharp, Dell, Samsung, Apple and HP monitor in my house so I feel like I have a bit of experience in the area.
Disclaimer: If you are a pro/artist, you are going to want something else. This recommendation isn't for you…maybe your parents.
Dell has the best value in monitors and has for the last few years. They aren't built like Apple displays but they are very solid and look good.
If every penny counts, you can find the Dell 1600x900 20" display out there every once in awhile for $89. But really, for $40 more you can step up to 1080P resolution.
I say this cold: No one should have anything less than a 1080P 1920x1080 screen on their desktops. You can buy a 22" 1080P display for $129 with free shipping on sale at Dell every once in awhile (currently $149). If it isn't on sale, you can usually find it refurbished for that price or less. Here's a Samsung equivalent (same hardware+$50) as a mediacenter display which works great for Blu-Ray movies at about 4-8 feet away. This is basically the same display (size/pixels/aspect ratio) as the $1000+iMac 22" without LED lighting. The viewing angles aren't what you'll get in a more expensive display and the color takes a little calibration (2 minutes, very easy) but you have a 1080P display on your desk for less than the price of a parking ticket in most cities.

But that's not the best inexpensive monitor you can buy right now. Dell makes the SP2309W, 23" "better than HD" 2048x1152 display with HDMI, VGA and DVI inputs, 4 port USB Hub, cable management, Webcam, mic and analog audio I/O. It also looks great with a "not as glossy as Apple's" 23-inch display. It doesn't have internal audio, but I'd rather use external speakers (for another day's review) for sound. They have a $10 sound bar you could get but I wouldn't reccomend it.
The SP2309W hits every sweet spot for me and you can currently get it for $229+Free shipping at Dell. Compare that to Apple's $900 Cinema Display with fewer pixels and ports. (yes it is lovely and has power for MacBooks, etc.)

The viewing angles are great but it also has an adjustable arm in the back for both angle and height (Apple's are angle only). I've had this monitor as my main display since Apple botched its Mini DisplayPort to dual DVI adapter part over a year ago.
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