In the past the bonuses required smaller purchases. With the new regulations, it probably won't get any better.
To get the $100 bonus, you have to sign up for the Chase Freedom credit card and make $799 in purchases in the first 3 months.
Some perks of the Chase Freedom Card:
- 5% cash back in rotating categories (July to September: Gas, Airlines, Auto Rentals, Hotels)
- Full 1% on purchases with no limits or expiration dates
- No Annual fee
For more info on the Chase Freedom Card, refer to this thread