Buy.com is giving away (kinda)ÂÂÂ 512MB SDÂÂÂ cardsÂÂÂ until Feb.25. The Connect 3D 512MB Secure Digital Card is free after a $20 rebate. Shipping is free too, just make sure you select ‘budget shipping’ when you check out. If you’veÂÂÂ neverÂÂÂ used Google Checkout before,ÂÂÂ select it asÂÂÂ yourÂÂÂ checkout option and you canÂÂÂ save an extra $10ÂÂÂ on the whole deal. ÂÂÂ