Moving from $25 to $50, is it worth it?

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I've played a decent amount on there and I've found their $50 NL to be among the hardest on the net.

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Yeah this is weird because I found the $25 tables at PokerRoom to be much softer than even Party Poker. So correspondingly I thought the 50 tables should be easier as well. But they seem fairly difficult. They're definitely beatable, but it's a slow grind, I played all day just to get one double up (actually it wuz only about 700 hands).