Most Popular Smartphones of March 2010

1. RIM BlackBerry Curve 8530 (Previously #1) - This is the latest in this popular line of smartphones. This model offers a redesigned look, Wi-Fi, and other consumer-oriented features. It has a QVGA display above a QWERTY keyboard, and this device puts an emphasis on multimedia; in addition to the necessary audio and video players, on top is a set of hardware keys dedicated to controlling music and video playback, Read a Review

2. Nokia E63 (Previously #3) - The E63 is an inexpensive, Symbian S60 device that uses a tablet shape, with a front-facing QWERTY keyboard and a 2.4-inch display. Despite its consumer focus it also sports features for business users. In the U.S. it's sold unlocked, and can be used with AT&T or T-Mobile. Read a Review

3. Samsung Moment (Previously #5) - The Samsung Moment is a smartphone running Google's Android OS now available from Sprint. It has a sliding keyboard, 3G, Wi-Fi, and a 5 MPx camera, but its real claim to fame is a beautiful AM-OLED display. Sprint is the exclusive provider, and it supports this carrier's EV-DO mobile broadband network. Read a Review

4. HTC HD2 (Previously #4) - The HTC HD2 is a very high-end Windows phone with a 4.3-inch WVGA capacitive touchscreen and 1 GHz Snapdragon processor. It runs Microsoft's Windows Mobile 6.5 Pro, but includes a new version of HTC's custom user interface layered on top. This device has 3G, Wi-Fi, GPS, microSD card sot, and much more. It is available exclusively from T-Mobile. Read a Preview

5. Nokia N900 (Previously #2) - The Nokia N900 runs a new version of Nokia's open-source Linux-based operating system, Maemo 5. Like its predecessors, the earlier Internet Tablets, it is a slider with a large WVGA touchscreen and a landscape-oriented keyboard. However, unlike the earlier models, this is a smartphone with HSPA 3G. It also has Wi-Fi and Bluetooth. It's available unlocked from Nokia. Read a Preview

6. Sony Ericsson Xperia X2 (New) - This is Sony Ericsson's second high-end smartphone running Microsoft Windows Mobile. It has a WVGA display, sliding keyboard, 8.1 megapixel camera, mobile broadband, and much more, including a custom user interface created by its manufacturer. Read a Review

7. RIM BlackBerry Bold 9700 (Returning) - This is the second model in the Bold series. It has the same general design as its predecessor, including a QWERTY keyboard, but with a new look. It is smaller than the original, and also has a slightly smaller screen, but at the same HVGA resolution. The 9700 has a faster 624 MHz processor and a higher-resolution 3.2 MPx camera. It's offered by both AT&T and T-Mobile. Read a Review

8. RIM BlackBerry Storm 9530 (Previously #7) - The original Storm was the first BlackBerry with a touchscreen. This is genuinely the centerpiece of the device, as it was also the first BlackBerry without a built-in keyboard. The 9530 is Verizon's version of this device, which offers EV-DO and also support for GSM networks, including HSDPA. Read a Review

9. Palm Pre Plus (New) - This is an enhanced version of the original Palm Pre, and offers 16 GB of internal storage, twice as much as the original. It features a sliding keyboard as well as a multitouch-capable 3.1-inch, HVGA display. This device is equipped with 3G, Wi-Fi, Bluetooth, and a 3.0 megapixel camera with LED flash. It can also act as a Wi-Fi hotspot for other devices. Read a Review

10. HTC EVO 4G (New) - The HTC EVO 4G will be the first smartphone available in the U.S. with WiMAX.  This very high-end model will have a 4.3-inch touchscreen, a slim tablet shape, and 1 GHz Snapdragon processor, as well as a wide range of other features. It is going to run Google's Android OS, and have HTC Sense, this company's alternate user interface that expands on Google's standard one. Read a Preview