As every one else has said, peach can't do the same things she could in the other game, but that doesn't remotely mean she is worse. Peach got ***** by every high tier in the game, fox,marth, shiek, falco. If you show us evidence that peach has a huge disadvantage to the other top characters in the game, please show it. I guess you can't really because there haven't been any significant tournament results in Brawl yet, at least not many.
Further more, ripping on other peach players like Dark Peach just makes you look like more of a boob. Pro peaches in melee all quit Peach because they didn't like her, they think she sucks and maybe she does but it doesn't mean the players that stick with peach suck.
If you can boast some result showing your the **** than do so. But if you don't have any reputation that you know your **** than don't talk trash to players who try hard to build a strong peach community and become good players.
Try not to post trash threads like this in the future where you try to compare Melee and brawl. Theres a thread by Vidjo about that already. Just post there man.