CAN ANY BODY TELL ME IF THIS IS AGOOD UNIT Mobile Precision M6600 DELL Options for this unit  Processor Intel® Core™ i7-2720QM (Quad Core 2.20GHz,6M cache) with Turbo BoostTechnology 2.0 Memory 16.0GB, DDR3-1333MHz SDRAM, 4 DIMMS Internal Keyboard Internal Backlit Keyboard Graphics NVIDIA® Quadro® 3000M with 2GB GDDR5 Primary Storage 320GB 7200rpm Hard Drive   LCD 17.3" UltraSharp™ FHD(1920x1080) Wide View Anti-Glare LED-backlit with Premium Panel Guarantee Operating System Genuine Windows® 7 Professional,SP1, Media, 64-bit Bluetooth Dell Wireless® 375 Bluetooth Module AC Adapter 210W/240W switchable Slim 3P A/C Adapter Media Bay Devices 8X DVD+/-RW Slot Load w/Roxio and Cyberlink PowerDVD™, no media Camera/Microphone Light Sensitive Webcam and Noise Cancelling Digital Array Mic Wireless LAN (802.11) Intel® Centrino® Advanced-N + WiMAX 6250 802.11a/b/g/n and 802.16e Half Mini Card Systems Management Intel vPro™ Technology’s Advanced Management Features     Primary Battery 9-cell (97Wh) Lithium Ion Battery Hardware Support Services 3 Year Basic Hardware Service with 3 Year NBD Limited Onsite Service     Mobile Broadband Dell Wireless™ DW5630 Multi-mode HSPA-EVDO Mini Card (Gobi™ 3000) with GPS CPF and PM Fee GRBO PM Support (Per Box) Gold (POS) Accessories Dell Laser Mouse Keyboard Layout English - US Keyboard Layout System Software Language English Software Language Processor Branding Intel Core i7 vPro Label