Now the new syllabus is 200-120 but almost 85% of the 640-802 syllabus is in the 200-120 syllabus and following subjects are added to the new syllabus.
HSRP/VRRP/GLBP
OSPF LSA types
SNMP / syslog
Netflow
but if you understand 640-802 concepts thoroughly then just follow above subjects then you can easily do the 200-120 exam
200-120 exam cost is 295 US$.