dilema...which one?

Model	Sony Ericsson Z610i	Sony Ericsson K618i	Sony Ericsson W810i
Market Status	Current Model	Current Model	Current Model
technology	UMTS / GSM 900 / 1800 / 1900	UMTS / GSM 900 / 1800 / 1900	GSM 850/ 900/ 1800/ 1900
Dimension(mm)	94.5 x 49 x 20	102 x 45.2 x 16.9	100 x 46 x 19.5
Item Weight	110	89	99
SARRating	-	-	-
Screen size	2.0 inch, 176 x 220 (External: 128 x 36)	1.9 inch, 176 x 220	1.9 inch, 176 x 220
Screen Color	TFD 260K colors (External: OLED)	TFT 262K colors	TFT 262K colors
Line of Text	-	-	-
Menu Type	-	-	-
Design Type	Clamshell	Candybar	Candybar
Navigation key	-	5 way Navigation Key	-
Soft Key	-	-	-
Other keys	-	-	-
Keypad Lighting	-	-	-
Antenna	Internal	Internal	Internal
Phonebook	-	-	-
Internal Memory	16	16	20
Memory Expansion	Memory Stick Micro (M2), 64MB included, Up to 1GB	Memory Stick Micro (M2)	Memory Stick Duo Pro, 512MB included (Up to 2GB)
Battery Type	Li-ion 950 mAh	Li - Ion	Li-Ion 900 mAh
Talk Time(minutes)	420		480
Standby Time(hours)	400		350

Entertainment polyphonic Yes, 72 chords Polyphonic Yes, 72 chords Polyphonic 40 chords polyphonics Customization MIDI, AAC, MP3 (Download) MIDI, AAC, MP3 (Download) MIDI, MP3 MP3 Yes Yes Yes FMRadio No No Yes Video Support - MPEG4, 3GP MPEG-4, 3GP Voice Support Recording, Speaker Recording, Speaker Comand, Dialing, Speaker, Recording, Voice Mail Audio Support MP3/AAC/AAC+/eAAC+ Flight Mode MP3, AAC, AAC+, eAAC+ Flight Mode MP3, AAC Games 3D - -

Connectivity Bluetooth Yes Yes, version 2.0 Yes Infrared (IrDA) No No Yes USB port Yes Yes Yes EDGE - - Class 10, 236.8 kbps Support 3G Yes Yes No Data Types/GPRS Class 10 (4+1/3+2 slots) Class 10 (4+1/3+2 slots) Class 10 (4+1/3+2 slots) WIFI - - - Data cable - - RS-232, USB (Fast Port)

Messaging SMS Yes Yes Yes EMS Yes Yes No MMS Yes Yes Yes Email Yes, Push Email Yes, Push Email POP3, IMAP4, SMTP Instant Messaging Yes Yes Yes PTT/POC No No No

Software Java(J2ME) Yes Yes Yes WAP Yes Ver 2.0 Yes Ver 2.0 Yes Ver 2.0 Platform/OS Proprietary Proprietary Proprietary Browser HTML full browser with RSS (Access NetFront™) HTML Browser with RSS Reader and Smart-Fit Rendering (Netfront) Internet Browser Predictive Text T9 T9 Speech Coddecs - - - PIM Application Alarm clock, Business card exchange, Calculator, Calendar, Conference calls, Contacts, Events calendar, Notes, PIM Sync, Phone book, Stopwatch, Tasks, Timer Alarm clock, Business card exchange, Calculator, Calendar, Conference calls, Notes, PIM Sync, Stopwatch, Tasks, Timer Calendar, Alarm clock, Business card exchange, Calculator, Code memo, Conference calls, Stopwatch, Tasks, Timer, Notes OtherApplication VideoDJ™, PhotoDJ™, PlayNow™, MusicDJ Macromedia Flash Lite, Music DJ, Video DJ, Disc2phone -

Personal Themes Yes Yes Yes Caller ID Photo Caller ID Photo ID, Video ID Photo ID Profile ID Yes Yes Yes

Camera Features Lens Type CMOS CMOS CMOS Mega pixel 2.0 2.0 2.0 Max. Resolution 1600 x 1200 (Secondary: 110k) 1600 x 1200 (Secondary: VGA) 1632 x 1224 Digital Zoom 2.5x 2.5x 4x Flash No No Yes Night Mode Yes Yes Yes Frame - - - Extra Features Video Call, Self portrait, Self-timer self timer, Self Portrait Mirror, Macro Mode, Panorama (1664 x 432), Landscape mode Panorama (1664 x 432), Auto-focus, macro mode, EV correction, white balancing, Landscape mode, Self-portrait video Yes Yes Yes Photo Format - JPEG (1600x1200, 1280x960, 640x480) JPEG (1632 x 1224, 640 x 480, 160 x 120) Video Format 176 x 144 (176 x 144), (128 x 96) 3GP, (176 x 144, 128 x 96)