Lets compare iPhone 3G with other brand of mobilephones:

Phone Models	iPhone	Nokia N95	HTC Touch Diamond	Samsung SGH-F480
Size	115.5mm(H) 62.1mm(W) 12.3mm(T)	99mm(H) 53mm(W) 21mm(T)	102mm(H) 51mm(W) 11.35mm(T)	98.4mm(H) 55mm(W) 11.6mm(T)
Weight	133 g	128 g	110g	106 g
Input method	Multi-Touch Keyboard	Phone Keypad	Touch Keyboard	Touch Keyboard (stylus)
Screen size	3.5”	2.8" QVGA	2.8" VGA	2.8" QVGA
Display size (pixel)	480 x 320	240 x 320	480 x 640	240 x 320
Display colors	-	16.7 million colors	-	262K colors
Talk time	Up to 5 hours on 3G Up to 10 hours on 2G	GSM: 5 hours WCDMA: 3.5 hours	Up to 270 minutes for WCDMA Up to 330 minutes for GSM	up to 3 hours (3G)
Standby time	Up to 300 hours	GSM/WCDMA: 11.5 days	Up to 396 hours for WCDMA Up to 285 hours for GSM	up to 250 hours (3G / 64 frame)
Internal memory	8 GB or 16 GB	8 GB	4 GB	223 MB
Memory card type	No	No	No	microSD
Operating frequency	UMTS/HSDPA (850, 1900, 2100 MHz) GSM/EDGE (850, 900, 1800, 1900 MHz)	Quadband EGSM (850/900/ 1800/ 1900MHz) WCDMA (2100MHz)	Tri-band GSM/GPRS/EDGE: Europe/Asia: 900/1800/1900 MHz HSDPA/WCDMA: Europe/Asia: 900/2100 MHz	GSM&EDGE Band: 900/1,800/ 1,900 3G Band: 2,100
Speaker phone	Yes	Yes	Yes	Yes
Software platform	Mac	Symbian S60 3rd Edition	Windows Mobile® 6.1 Professional	-
MMS	No	Yes	Yes	Yes
VMS	Yes	No	No	No
Email	Yes	Yes	Yes	Yes
Video calling	No	Yes	Yes	Yes
Push to talk	No	Yes	No	No
Megapixel	2 Megapixel	5 Megapixel Carl Zeiss optics	3.2 Megapixel	5 Megapixel
Image resolution	1600 x 1200 pixels	2592 x 1944 pixels	2048 x 1536 pixels	2592 x 1944 pixels
Zoom	-	Digital zoom up to 20x (5 megapixel up to 6x)	-	Digital Zoom (X4)
Auto focus	No	Yes	Yes	Yes
Flash	No	Yes	No	Power LED
Video format	No	MPEG-4 VGA video capture of up to 30 fps	-	MPEG4 / 3GPP
Video camera resolution	No	640x480 pixels	-	240 x 320 pixels
Video player	Quick time	Real player	Window media player	Yes
Supported video format	MP4, H.264, MOV	MPEG4, 3GPP, RM	MPEG4, WMV, H.263, H.264	MPEG4 / H.263 / H.264 / WMV
Music player	Yes	Yes	Yes	Yes
Supported music format	AAC, Protected AAC, MP3, MP3 VBR, Audible (formats 2, 3, and 4), Apple Lossless, AIFF, and WAV	MP3, AAC, eAAC, eAAC+, M4A, WMA	MP3, AAC, AAC+, WMA, WAV, and AMR-NB	MP3 / AMR-NB / I-Melody / SMAF / XMF/MIDI / SP MIDI / AAC / AAC+ / Enhaced AAC+ / WMA
FM radio	No	Yes	Yes	Yes
Internet browser	Safari	Nokia Web Browser	Internet Explore	WAP 2.0
Navigation	A-GPS	A-GPS	GPS, A-GPS	No
Bluetooth	Yes (only for Bluetooth headset)	Yes	Yes	Yes
Infrared	No	Yes	No	No
WLAN	Yes	Yes	Yes	No
GPRS	Yes	Yes	Yes	Yes
EDGE	Yes	Yes	Yes	Yes
WCDMA	Yes	Yes	Yes	No
HSDPA	Yes	No	Yes	Yes

Which one is more suitable for you? Which one is the best in the market? It is all depend on you. How a mobilephone mean for you?

It's up to you...
You always have a choice...
Not only one...