If you've been resisting upgrading from a traditional cell phone to a smartphone because of the perceived size and bulk of the latter, your wait may pay off soon. Increasingly, smartphones are packing a smorgasbord of features—including web surfing and email, multimedia, GPS, Wi-Fi and so forth—into ever-smaller packages. A few of the slim models you may want to check out (features vary) as they come into the marketplace this fall:

 

Nokia N79

 

HTC S740

 

Samsung i900 (Omnia)

 

BlackBerry Bold

 

Treo Pro