The best replacement for droid 3 is droid x2.

The best alternatives to droid 3 are rated as following:
★★★★★  droid x2
★★★★★  droid 4
★★★★  droid bionic
★★★  incredible 2
★★  droid 2
★★  bionic
★★  droid x
★  droid charge
★  droid incredible
  samsung stratosphere
  droid incredible 2
  htc thunderbolt
  droid pro

Your alternative for droid 3 is not listed? Suggest!

No companions for droid 3 have been suggested so far.
You have in mind a companion for droid 3 and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of droid 3 in all years. Click on graph for more.
droid 3
droid x2
droid 4