First, you have to ask yourself if you really need/want a new gun. But if you've already made up your mind, which i think you have, then it starts another series of questions lol. What kind of gun are you looking for (poppit, spool, ) ? Do you want a new gun or a used gun? And....what is your price range?!?! If you love Dye/Proto and are happy with the performance of your rail, you can try a used dm7 or dm8, if you got the cash and feel it is worth it get a dm9 =). But honestly, i think best bang for the buck right now is the 2009 Proto SLG. Numerous reviews and videos are out. They are simple to maintain, shoot really fast, and best of all they come with a UL frame
Again, would be easier with a price range for a gun.