Where do I purchase the Vernier NXT Adapter in Canada?

These are the LEGO dealers in Canada:

LEGO Canada Inc.
331 Amber Street
Markham, Ontario
Canada L3R 3J7

Tel. (905) 887-9046 (General information)
or (905) 887-5346
Tel. (416) 940-6600
Fax (416) 940-0745
Toll-Free 1-800-387-4387 (Dacta)

Shop@Home Canada
P.O. Box 3700
Markham, ON
L3R 6G9
1-800-267-5346 , Extensions:
-222 (S@H), -111 (request a catalogue), -444 (Consumer
Affairs)
The S@H hours are M-F 8:30-4:30 ET.