Motorolas are gone, as the Army fielded the MBITR radio instead, which is FH capable/secure and links with SINCGARS. There are some brit squad radios floating around still.
On the Marine side, Motorolas are back in, and working very handily in fact. The Marconi PRRs can still be found in a few cases, like cavguy said, but their days are numbered.

I actually went looking for a tin cricket on Ebay the other day, with no luck.

With exception of cell phones (outside of commanders who might need to be on the line with a sheikh or police chief) and PDAs, the other items are typically found within a Marine fire team, or at least the squad.

I will continue to carry my own VS-17, signal mirror, and whistle (the whistle is usually a prescribed item for leaders to have) on my loadout, and have done so for the past 13-14 years. The same goes for my yellow canary message book that I always go forward with.