Nios II supporting kit

Have a look at

http://www.altera.com/products/devkits/kit-dev_platforms.jsp?gsa_pos=1&wt.oss_r=1&wt.oss=development%20boards

you can find a complete list among whcih you can easily understand which of them support the Nios II processor

You can also find Partner Development Kits at:

http://www.altera.com/products/devkits/kit-dev_platforms_partner.jsp

Usually, all FPGA kits support Nios II processor.