Alltel's Website has a Touch Diamond page up, though it's not yet accessible from from the main phones and devices page. We don't think this is a typo, mistaking the Touch Diamond for the Touch Pro (that darn name game again), given the previously leaked Alltel Touch Pro photo that Engadget got hold of.
Also, no word on pricing. Or an availability date. While there is a link to download the rebate form (pdf warning), it expires Oct. 30 and specifically mentions the HTC Touch. So we'd expect that to change.
Either way, look for the Touch Diamond on another CDMA carrier in the near future.
Thanks, Brandon, for the tip!