Witric Power - Witricity Explained

here are the choices:

HP dv7t Quad
Brushed Metal Laptop
Core™ i7-2670QM 2.2GHz
1GB Radeon™ Graphics

specs are:
Processor & Memory:

Intel® Core™ i7-2670QM Processor 2.2GHz (Turbo Boost up to 3.1GHz)
6MB L3 Cache
8GB DDR3 SDRAM (2 DIMMs)
Drives:

750GB (5400 RPM) Hard Drive
SuperMulti 8x±R/RW DVD Burner
Operating System:

Microsoft® Windows 7 Home Premium (64-bit)
Graphics & Video:

17.3" High Definition LED BrightView Display (1600 x 900)
1GB GDDR5 Radeon™ HD 7470M Graphics
Communications:

Intel® 802.11 b/g/n WLAN
10/100/1000 Gigabit Ethernet LAN

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I'm confused between a dell XPS 17 and an Asus G74SXRF-BBK8. Please advise on which to buy. Personal experiences would be apreciated.
Specs for Dell XPS 17
ntel® Core™ i7-2630QM processor
Features a 6MB cache and 2.0GHz processor speed with Turbo Boost up to 2.9GHz.
8GB DDR3 memory
For multitasking power, expandable to 16GB.
Multiformat DVD±RW/CD-RW drive with dual-layer support
Records up to 8.5GB of data or 4 hours of video using compatible DVD+R DL or DVD-R DL media.
17.3" WLED high-definition display
With 900p resolution showcases movies and games in stunning clarity.

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HP Pavilion dv6-6b08sa
Featuring Genuine Windows® 7 Home Premium (64-bit)
AMD Quad-Core A6-3410MX APU with Radeon HD 6545G2 processor
6GB memory for fast and efficient performance
640GB Hard Drive for storing all your digital files
39.6 cm (15.6") High-Definition LED HP BrightView Display
AMD Radeon HD 6545G2 Dual GPU graphics
Finished in Espresso Black with Lattice Pattern
1 year, pick-up and return, parts and labour
Featuring Wi-Fi, Bluetooth and an Integrated Webcam & Microphone, ideal for social networking and communications

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I'm looking to buy a good laptop. I'm not exactly the best at understanding if the laptop is good buy reading the features xD Anyway, what i Want is a pretty fast (Not super fast, just decent speed) laptop with good graphics. Enough so that i can do my everyday browsing (:
This is the laptop:
Dell - Inspiron Laptop / Intel® Core™ i5 Processor / 15.6" Display / 6GB Memory / 640GB Hard Drive - Diamond Black

Features:
Intel® Core™ i5-2410M processor
Intel® Core™ i5 processor
Intel® Turbo Boost Technology
6GB DDR3 memory

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