MCP XP (70-270)
MCP Server 2k (70-215)
MCP Managing 2k network (70-21

I am going part time at work for next 3 months so I can devote more time to study, I am prob 50% through the MCP XP at moment and just want an idea of how much time u guys put into each of these exams..do u think its poss to knock them out within 3 months?
Any feedback most greatful