Lenovo IdeaPad U150 is an 11.6-inch consumer netbook with powerful battery and interesting design. The netbook runs Windows 7 and supports up to 4Gb of RAM.

Acer Aspire One 532h is a new netbook with extremely powerful battery, nice design and a much better price than the competitors.

Samsung N510 is a new sleek notebook with powerful battery, good graphics performance and nice design. But most importantly it has the new NVIDIA GeForce 9400M Ion graphics chip thanks to which it is a real monster among netbooks.
Samsung N510 pros:

+ 11.6-inch display
+ Good speakers and audio quality
+ Touchpad and keyboard are very comfy
+ Good [...]

Sony VAIO X is an ultra-slim, lightweight netbook with an extremely powerful battery lasting up to 10 hours. The little netbook is not only brilliantly designed, but also powerful – it features 3 wireless and GPS receiver. Although it might seem that its price is a bit too high it is comparable to other ultra-slim [...]

Gateway LT2016u has an extremely powerful (for a netbook) six cell battery, snappy 3G performance, and stylish design. Moreover, the netbook features a bright, high quality display and quite comfy keyboard making it almost perfect for a small mobile office.