Would be released in Q3,2012. About pricing, where did you see those pricing? AFAIK, nothing is leaked or released. Not even a single reviewers sample.
z75 mobos are available from Asrock, Biostar and Foxcon and price starts from Rs. 5750
Newegg.com - ASRock Z75 Pro3 LGA 1155 Intel Z75 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
Newegg.com - BIOSTAR TZ75B LGA 1155 Intel Z75 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard with UEFI BIOS
and for us
Foxconn launches affordable Z75 motherboards in India
Z75 will have no way to utilize iGPU feature, like P67, or I should say successor or P67.
you are wrong again - z75 mobos comes with display output ports :
*www.asrock.com/mb/overview.asp?Model=Z75 Pro3&cat=Specifications
*www.biostar.com.tw/app/es/mb/introduction.php?S_ID=583