The centosplus kernel for 7 is now available for testing. The kernel version is 3.10.0-123.el7 (GA kernel). You can download it from this site.
If you wonder what this kernel is for, please visit this earlier post.
Extra features enabled in the config file include some network adapters, BusLogic, IPX, Appletalk, and ReiserFS. TOMOYO and AppArmor are also enabled but SeLinux remains the default.
For more details, please see this post on the centos-devel mailing list.
Your feedback welcome either here or on the mailing list.