Remember Raspberry Pi ? The credit card sized $35 computer that comes preloaded with a customized Linux distribution ?
Raspberry Pi Foundation (people behind this project) have released 2 models. Model A costs $25 and Model B costs $35 excluding taxes.
The difference between Model A and Model B is that the latter has an Ethernet port and an additional USB port which Model A lacks.
Performance wise, if you are wondering how these models stack up with similar projects such as Marvell SheevaPlug or the traditional Intel Core 2 Duo E8400 3GHz, then the following review is for you.
The nice folks at Bit-tech have put together an in-depth review of Raspberry Pi, giving you the run down of whether it is worth the money you intend to spend on it.
Read the review @ Bitech.net.