D3100 specs

Features
■14.2-megapixel DX-format CMOS image sensor
■EXPEED 2 image processing engine
■ISO range of 100 – 3200; Extendable up to 12800
■Full HD (1920 x 1080) at 24fps video recording
■Live View with new AF-F mode and Scene Auto Selector
■11-point autofocus system
■3 inch (7.5cm) TFT LCD screen

Specifications
■Image Sensor Format : DX
■Sensor Size : 23.1 x 15.4mm
■Total Pixels : 14.8 million
■LCD Monitor Size : 3 inch diagonal
■LCD Monitor Resolution : 230,000 Dots
■Slowest Shutter Speed : 30 sec
■Fastest Shutter Speed : 1/4000 sec
■Bulb Shutter Setting : Yes
■Lowest ISO Sensitivity : ISO 100
■Highest ISO Sensitivity : ISO 3200
■Storage Media : SD, SDHC and SDXC
■Autofocus System : TTL phase detection by Nikon Multi-CAM 1000 autofocus module
■Built-in Flash : Yes
■Flash Sync Speed : X=1/200s
■Battery : Rechargeable EN-EL14 Lithium-ion Battery
■Weight : Approx. 1lb 1.8 oz (505g) with battery and memory card

Compatible Lenses
■AF-S, AF-I NIKKOR: All functions supported except color metering
■Other Type G or D AF NIKKOR: All functions supported except AF and color metering
■PC-E NIKKOR series: All functions supported except autofocus and color metering
■PC Micro-NIKKOR 85mm f/2.8D: all functions supported except autofocus and color metering
■Other AF NIKKOR (except lenses for F3AF)/AI-P NIKKOR: All functions supported except autofocus and 3D metering
■Non-CPU AI NIKKOR: Can be used in mode M, but exposure meter does not function; Aperture must be adjusted manually via the lens aperture ring and the camera metering system, i-TTL flash control, and other features requiring a CPU lens cannot be used

http://www.nikondslrs.com/digital-slr/nikon-d3100-review/

Price: $999(http://www.nikon.com.sg/productitem_new.php?pid=1379-926225e57b)