CreditCards.com Inc., an Austin, Texas-based online destination for consumers to search, compare, and apply for credit cards, has filed for a $115 million IPO. It plans to trade on the Nasdaq, with Credit Suisse and Citi serving as co-lead underwriters. Austin Ventures sponsored a recap of CreditCards.com last fall, and holds a 65.6% pre-IPO position. Also participating on the recap were American Capital Strategies (9.6%) and company founder Dan Smith (16.1%). www.creditcards.com