DualSim + Wifi + Durable battery mobile?

[vitrag24]

Hello friends,

I want to buy a mobile which has minimum following facilities/features

-DualSim
-Wifi
-Durable Battery & longer talktime
-Price within 10,000/- INR ,better if around 5,000/- INR

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-If possible 3G &/ GPS too
-Good music & camara if possible..fine if it's not but other facilities i mentioned are there..
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Rightnow i'm using nokia 5800, it has everything except dualsim , but i will need 2 simcards from now and i dont want to keep 2 mobiles..so looking forward to buy dualsim mobile..

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I've found following in ebay.in but seems non-branded so no idea if they are good or not..
Among nokia,samsung etc i didnt find such combination of dualsim,wifi,3g etc..

if anyone have idea, post here if it's safe to buy any among following or any other mobiles..

http://shopping.ebay.in/deals/

Click on dualsim phones
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H2000 CAPACITIVE TOUCH Android 2.2 Dual SIM Mobile WiFi
Capacitive Touchscreen | 512MB ROM | 256 RAM 1Yr Warnty

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►3G DUAL SIM◄WIFI JAVA WCDMA UMTS MOBILE PHONE 32GBmax
►LOWEST PRICED 3G◄VIDEO CALLING►3000 Contacts◄1Yr Wrnty

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NEW G8►DUAL SIM WINDOWS MOBILE 6.5 GPS 1GHz CPU ◄iCOD
SLIM & WEIGHT-LESS | 256MB RAM| 256MB ROM| 2Yr Warrnty

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H6 ►Google Android v2.2 Dual SIM◄Mobile Phone WiFi iCOD
1st ever Dual SIM Android|275MB ROM|188MB RAM|1Yr Wrnty