They're not bad.
efinancers.com: the e doesn't lose that much value.
undeveloped: mid xxx
developed: mid x,xxx
infiniumweb.com: I looked up infinium and got about 185000 results in google.
undeveloped: low xxx
developed: high xxx, to low x,xxx
keyword-check.com: the dash puts the value alittle down, but can potentially be a good domain.
undeveloped: low xxx
developed: low to mid x,xxx
stopmydebt.com: Catchy! This will be a fortune maker if you can promote it!
undeveloped: mid xxx
developed: high x,xxx to low xx,xxx
Hope this helps,
Jason F.