Keep in mind, either of these pump brands can be turned down to near nothing flow, so either is good for almost any tank setup, but ....
Nobody said you had to make your mind up right now
If you don't want to spend the money on them right now, and just get your tank running, go buy some el-cheapo koralias and make your mind up later
http://www.jlaquatics.com/product/hy...50+GPH%29.html
http://www.jlaquatics.com/product/hy...50+GPH%29.html