N81 and N82 are the 2 N-Series phones to be launched by Nokia in fourth Quarter 2007.
Nokia N81
The upcoming N81 is an 8GB slider running on Symbian S60v3 FP1, following in the footsteps of the N91 8GB Music Edition. It is quad-band EDGE with 2100 HSDPA (High Speed Downlink Packet Access), WiFi (b/g along with uPnP), Bluetooth 2.0 with A2DP and a 3.5mm stereo audio output jack. 
Full Specifications:
• Form factor: slide
• Dimensions: 102 x 50 x 17.9 mm
• Weight: ~ 140g
• Memory: 8GB internal flash memory
• Music Playback time: up to 12.5 hours
• Gaming time: up to 3-4 hours
• Talk time: up to 3-4 hours (3G)/3-4 hours(GSM)
• Standby time: up to 15 days
• Main Display: 2.4″QVGA 240×320, 16M colors
• Main Camera: 2Mpix
• Second Camera: CIF
Nokia N82
The N82 is quite different and with a candy bar form factory appears to be a successor to the extremely popular N73. While there is some similarity to the N81 in features such as Symbian S60v3 FP1, quad-band GSM and 2100 HSDPA, BT 2.0 (w/ A2DP), WiFi (b/g w/ uPnP); it takes the game to the next level with built-in GPS, TV-out, FM Radio, and a MicroSD slot.
Full Specifications:
• Dimensions: 112 x 50.2 x 17.3 mm
• Weight: 120 g [Target]
• Memory: Up to 100 MB in-build, support for hot swappable MicroSD card (1GB in-box)
• Talk time: GSM: 280min, WCDMA: 180min (Target)
• Standby time: GSM: 270hrs WCDMA: 250hrs (Target)
• Main Display: 2.4″QVGA 240×320, 16M colors
• 5MPix, Autofocus, up to 20 x digital zoom. Real Xenon flash. Integrated camera protection.
• Secondary camera: CIF
Via: techspikes.com
Nice blog! I have also a blog about nokia n series phones.