Well you would probably wind up with better sound quality wise by spending $100 to ship them to your new locale than you get from selling them and buying new one but since you asked...
The first question is remote control or no remote control on the powered speakers?
Remote, powered - AudioEngine A5+ - ~$400/pr
Non-remote, active - JBL LSR305P MKII - ~300/pr
This has been discussed a few times so search audiocircle for other options which include Kanto, Yamaha, Paradigm, PSB Audio, Focal...