Update:
a) I could not see any way to get 250 + 500 mypoints through HDVest, even though the site still appears in Try It Out section of MyPoints. Not a blue screen, not a link to click on after sign up or tax filing. I wrote to MyPoints customer service...
b) Registering for icollector with credit card number (the full URL - they say it won't be charged unless you bid...) is now worth 300 MyPoints, not 180, and there is a blue screen.

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