A couple nice pairs of track spikes are for sale:
Black/Gold Nike Zoom Kennedy, Size 10.5 (Like New):
http://www.ebay.com/itm/120795028994?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
Red/Yellow Nike Zoom Ventulus, Size 10:
http://www.ebay.com/itm/120795030191?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649