Essential Bearbrick Collector's Pieces?

Which Bearbricks do you think are essential to any collector's Bearbrick collection? Which are the pieces that a Bearbrick collector [I]must[/I] have regardless of how rare or expensive they are? And which Bearbrick do [U]you[/U] wish you had? Also, do you know any sites that showcase every Bearbrick ever made?

2 Weeks ago in Arts