Top 10 phones of May

The good: Full range of wireless features; haptic feedback; improved text input methods; navigation software included; attractive design; excellent battery life; Opera 9.5 browser included.

The bad: Some apps may not work properly; finger scrolling not consistently implemented; use of microSD slot requires battery removal; no stylus slot.

The bottom line: The Omnia is a good alternative to the HTC Touch Diamond with a competitive price and a truckload of features, though Samsung does need to work on the interface to improve its consistency and usefulness.

The good: Slim, compared with devices of the same form factor; 3.5mm audio jack; enhanced email user interface.

The bad: Could do with larger screen and higher-capacity battery; average image quality.

The bottom line: The E75 is, in many ways, as good as the earlier Eseries smartphones, but it doesn't stand out and the dual keypads may appeal to only a select group of users.

The good: Compact design; raft of connectivity features.

The bad: Tiny alphanumeric keypad makes it a pain to type on; occasional laggy interface; slow shutter lag.

The bottom line: The Arena trounces the iPhone 3G in terms of features, but can't beat the latter when it comes to usability.

The good: Easy to use; good sound quality; decent resolution camera; battery life; screen.

The bad: No 3.5mm headphone socket; no camera flash.

The bottom line: This is a solid phone, aside from its lack of a real headphone socket. But if you're expecting anything radically new, you might want to wait a little while for Sony Ericsson to start innovating before you upgrade.

The good: Offers critical new features including support for high-speed 3G networks, third-party applications, and expanded email; improved call quality is improved; continues to deliver an excellent music and video experience.

The bad: Continues to lack some basic features that are available on even the simplest cell phone; also, we prefer the original iPhone's design.

The bottom line: The iPhone 3G delivers on its promises by adding critical features and sharper performance. The iTunes Apps Store is pretty amazing, and the 3G support is more than welcome. We still have a few gripes, but the iPhone 3G is a big improvement over the original model.