iXBT Labs posted a review on the Intel H55, H57 Chipsets
>> Intel H55, H57 Chipsets
The new chipsets are similar to Intel P55, but they let you use the integrated graphics core of the new Core i5, Core i3 and Pentium processors. On the other hand, they lack decent support for dual discrete graphics cards. Which of these solutions you need is up to you to decide.
>> Intel H55, H57 Chipsets