using Alexei's info, from the same company at DigiKey
$38.52US from Digi-Key.com, $43.80CAD from Digi-Key.ca
TW-E41-1060
Number of Terminal Strips 3
Number of Distribution Buses 4
Number of Tie Points (Total) 2390
Number of 5-Tie Point Terminals 378
Number of Binding Posts 4
this one is $50 from Global Specialties (other thread):
I use a cheap one from China, $15 (shipped). Don't know if I'd ever spend $45 or $50 (or $116 for the 3M) on a breadboard.