KillerStartups is launching a new daily deal site, Startups.com, that will cater to Internet entrepreneurs. The site will offer 50 percent to 80 percent off Web apps, tools, e-books, gadgets, and other products geared toward doing business online. The service is set to launch when it hits 10,000 members. To sign up for a free subscription to the deal e-mails, go to Startups.com.