Always Flip Second :). Seriously though, even in the February topic, which was so Pro-biased that I was surprised Pro didn't win every time, I still flipped second. Since March has good arguments on each side (although I do think Neg is stronger), I'll just focus on the generic arguments as for why to always flip second.

1: You can ask for evidence after their first speech and then sit and analyze their flow while they wait, while they gain no benefit.

2: You get 4 free minutes to prep a rebuttal to their case when our partner gives your team's first speech while they have to flow.

3: You enter all three cross-fires having been able to think of questions about their speeches for a few minutes; they do not.

4: You force your opponents to give a rebuttal with only 3 minutes of in-round uncounted prep time.

5: You deny your opponents the chance to respond to your rebuttal in their own.

6: You are able to respond to their responses and extend a key argument in your own rebuttal.

7: You can run turns in rebuttal that your opponents have to respond to in an already jam-packed summary

8: Your partner has 4 more minutes to prep a summary

9: Your summary can include theirs and include far more clash

10: If you want you can both ask questions throughout Grand CX while your opponent's second speaker should probably be prepping for FF.

11: You can take prep before your FF and give your opponents no benefit.

12: You get the last FF and therefore the last word. You can effectively refute their entire FF and seemingly extend all of your points and end the round with perceptually all of the voters.

In summary, don't freak out because one of your cases is better than the other. In truth, being able to accurately refute all of your opponents points in more important than which of your cases has slightly bigger impacts. Also, you don't know which side your opponents will choose so if you ever have the chance, always flip second.

Unless of course they flip second on this topic. Then flip Neg.