New Mac mini is yet to be revealed but some video has emerged.

Specification:

2GHz Core 2 Duo processor with 3MB Level 2 cache,
2GB DDR 3 memory at 1066MHz and a
ATA Super Drive.

Adobe® Systems Incorporated (Nasdaq:ADBE) and Intel Corporation today announced plans to collaborate on the development to port and optimize Adobe® Flash® technology for the Intel® Media Processor CE 3100. This effort is expected to provide consumers with richer and more seamless Web-based and video viewing experiences through advanced Intel-based cable set-top boxes, Blu-ray Disc players, [...]

Toshiba’s Qosmios just unvieled 20 new Dynabook models in Japan, most notable of the lot are gaming laptops Qosmio FX (15.4-inch) and GX (18.4-inch) and the SpursEngine powered G50 (18.4-inch).
GX / FX models

2.4GHz Core 2 Duo P8600 CPU,
NVIDIA’s GeForce 9600M GT,
4GB of RAM and a
320GB hard drive.

G50

Specs of GX
SpursEngine graphics system,
an extra 250GB hard drive,
digital [...]

Lenovo S10 is a nice, styliish netbook running Intel N270 Atom processor. Its specification includes 1GB RAM, 160 GB HDD, 10.2 inch display with 1024×600 resolution. It is slim and easy to carry. It comes with standard elements like 2 USB, VGA, speaker, mic jack.

HP recently used an event in Taiwan to unveil its first-ever nettop PC, the mini-Q 2030,
Specification:

Intel’s 1.6GHz dual-core Atom 330 processor
2GB of DDR2 RAM
160GB 7,200rpm SATA hard-drive
Windows Vista preloaded
dual-layer DVD burner. 
four USB 2.0 ports
SD/MMC/xD slot
two PS/2 ports
an Ethernet port
a VGA jack
an audio and microphone jack
weighs 4.4lbs
does not include a monitor

HP also showed the mini-Q 2020 [...]

People at xtremesystems.org have overclocked Intel ATOM N270 which runs at 1.6 GHz in stock configuration to over 2.3GHz. 
They used Liquid Nitrogen to cool the processor. They managed to cool it to sub zero, -15 degrees to be precise. 
System used for overclocking was a MSI Wind Netbook.
more here