What kind of phone should i get?

Okay so im up for an upgrade and my phone right now is a samsing exclaim and it a hunk of ****. What makes it worse is after have the phone for 3 months they discontinued it. I had to replace it one because the sliding mechanisim broke. I was thinking of getting a blackberry bold or the new blackberry flip phone. Oh i have sprint so dont mention phone that i cant get through sprint