"We are expecting some changes to tunings and costs. We will update them in near future. There are ISA changes as well like btver2 supports AVX, BMI."
It was recently reported that AMD scrapped SSE5 in favor of AVX, which is likely to also introduce SSE4 in Jaguar. Jaguar's predecessor Bobcat only supports SSE3.
Kabini is expected to be released in 2013 as a low-price and low-power mobile processor with up to four cores and a power envelope spanning 9 to 25 watts. The program of the upcoming Hot Chips 24 conference in Cupertino indicates that AMD will be revealing more information about Jaguar at the end of August.