ASUS M530w

This is another entry level PDA phone but can be considered as a tough competitor for Nokia E61. It lacks the touch screen feature that is found in most of the PDAs but it has the customary QWERTY keypad. The keys are well spaced and easy to navigate. This phone runs on Windows 6 and has all standard features of the mobile OS. There is no ASUS launcher application pre-installed here. You get clear clearVue viewer for Word, Excel, PDF and other documents.
The camera and the multimedia features are moderate. There is nothing remarkable to state here. All the entry level phones will have these facilities. It supports and mp3 and video playback. It has a 2 mega pixel camera at its disposal. There are a lot of connectivity options like 3G, WiFi, GPRS and Bluetooth. But the battery life takes a toll while using these facilities. Th3 signal reception is moderate but the voice clarity is poor. Overall it gets 3.8 out of 5 in the rating scale.

ASUS P750

The ASUS p750 is top of the line, 3G compatible phone that has every feature you want. The design is gorgeous and the phone looks great in a black outfit. Though it is targeted towards the business people it lacks the usual QWERTY keypad. There are five input options that are available. The XT9 works much better in predicting the words when compared to T9 dictionary. The 320 X 240 2.6 inch LCD display is good. The navigational controllers are excellent. It has good tactile feedback. The keys are well spaced out so typing the messages is not at all a problem.
This phone comes with a lot of pre-installed softwares. It includes Office 6.1, Microsoft Word, Excel, PowerPoint, Notes and a Calendar. It also boasts with facilities like GPS, business card reader, UR home screen, remote presenter, Java, ASUS Launcher, etc. The music formats supported are mp3, aac, aac+ and 3gp video is supported. The audio quality is good. The camera is better with 3 mega pixel but the video recording in that is of moderate quality. Internet browsing was faster and easier. Setting up WiFi was easier than many other phones. Signal reception is excellent. Battery life is for cool three days under nominal usage. Overall the phone picks up 4.1 out of 5 stars.

ASUS p526

The P526 can be viewed as a competitor for Sony Ericsson p1i and Nokia E61.It offers good value for money as an entry level touch screen model. The handset design is very similar to p750. The p526 does not have any joystick and believes only on the touch screen. The soft menu buttons are difficult to handle. But the keys are well spaced and can be used at ease. The phone comes with Mobile Word, Excel, Powerpoint ad other PIM functions like Meeting Time Planner, Remote Presenter, business card recognizer and Java support. GPS is present but the software has to be installed to use it.
The audio quality is ok but no match to Sony and Nokia. The 2 MP camera delivers decent photographs only in the well lit environments. The phone comes with 128 mb in-built memory and can be increased with a microSD card. The net browsing and GPRS is slow. There is no WiFi. Bluetooth is a let down. It has only Bluetooth 1.2 where as its competitors have Bluetooth 2.0 with A2DP technology. The signal reception is good and the battery life is moderate. Overall this phone fetches 3.5 out of 5.