Manufacturer's Description
Lenovo ThinkPad X61 Notebook
The ThinkPad X Series is ideal for on-the-go users who need an ultrathin, ultralight notebook but refuse to sacrifice quality, durability, or performance. The X61 provides next generation performance, wider connectivity and better battery life. Power up with the latest high-performance processors. Dual-core processing and faster Intel architecture deliver a wide variety of benefits, including true parallel processing when running multi-threaded applications or multiple applications simultaneously. The ThinkPad X6 UltraBase provides desktop expansion and cable management and an external DVD+/-RW drive.Features include an Intel Core 2 Duo T7300,2GHz,2GB / 4GB (max),160GB,12.1,and Genuine Windows Vista Business.

Review:
Lenovo ThinkPad X61
Though the optical drive is not integrated, everything else about this business portable is top-notch, especially battery life.
In the ThinkPad X61, Lenovo has introduced its successor to the ThinkPad X60. The X61 uses Intel's Santa Rosa mobile processor. Otherwise, it's the same light, sophisticated ultraportable as the earlier model; like the X60, it lacks an integrated optical drive but offers dazzling battery life.
Read more about ThinkPad X61 Notebook...