You should apply via this promotional link if you want to try to receive the bonus.

Terms from the application page:

With this bonus offer you will receive 15,000 bonus miles, a $50 statement credit, one $25 United Discount Travel Certificate, and one One-way, 1,000 mile, One-class Upgrade Certificate. Please allow 6 to 8 weeks after your first purchase for delivery and for bonus miles and statement credit to post to your account. First purchase includes purchases, balance transfers, and any checks that are used to access your account. The $25 United Discount Travel Certificate and One-way, 1,000 mile, One-class Upgrade Certificate are not combinable with other discounts or air travel certificates and are not transferable. United's One-way, 1,000 mile, One-class Upgrade Certificate is valid from paid full-fare Economy to the next class of service. Additional restrictions apply and are printed on the certificates. United reserves the right to substitute products of equal or greater value at any time for any reason. To qualify for this bonus offer, account must be open and not in default at the time of fulfillment. This bonus offer is valid only for first-time, and not exisiting, Mileage Plus Platinum Business cardmembers with new Mileage Plus Platinum Business accounts. Only one bonus offer awarded per Mileage Plus Platinum Business account. Bonus miles do not count towards caps. These miles do not count toward Elite status.

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LINK You can exchange 24,926 sign-up AA miles for $105 Amazon.com gift card via Points.com. You have to spend $750 within 4 months after account opening in order to get the bonus. You net profit will be $30 after subtracting annual fee of $75. Terms: Read more »

LINK

Terms:

With every eligible purchase or lease of a GMC van, truck or SUV, you’ll receive $500 as a statement credit if you are approved for, or already have, a GM Business Card World MasterCard®. New customers receive an additional $200 when they spend $10,000 on their GM Business Card World MasterCard

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LINK

Note: According to this site, you can redeem 5000 miles for $50 in air fare, which translates 50,000 bonus miles into $500 in air fare. You can also exchange 48000 miles to $300 in Sky Mall gift certificates (GCs of other stores cost more, see more details here). Please note that you get only 25000 miles after the first purchase. You get the second portion of 25000 miles when you use "Pay with Miles feature on Delta.com to redeem for any Delta or Northwest flight by 8/24/09".



Terms from the credit card website:

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If you are also looking for AmEx personal bonuses, you might want to check this $100 gift card (<=10,000 points) AmEx Gold Card offer




LINK

Terms:

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