Ebay, and AS, is down for maintenance on Fridays between 1 and 3 AM PDT. Snipe needs to go in before that or will ("might"?) not go in at all.
Not sure why dennismdxrn was able to bid later, unless ebay didn't shut down right at 1 AM.
ebay's system status:
http://www2.ebay.com/aw/announce.shtml