Filed under: Cellphones, HandheldsSpeculation is growing that the device Palm recently blamed for its revenue shortfall is none other than the yawn-worthy Treo 755p, a phone that launched on Sprint eons ago and, despite being rumored in Verizon trim eons ago as well, has apparently had all sorts of trouble getting through Big Red's testing process. While it's hard to deny that it's a pretty unspectacular handset at this point,
