Can 2007 taxes still be filed?

Yes.

You can find the federal forms here:

http://www.irs.gov/formspubs/article/0,,id=182756,00.html

You can find a free downloadable copy of Taxcut 2007 here:

http://download.cnet.com/TaxCut-Basic-2007/3000-2047_4-10608490.html

You can get copies of your state tax forms from your state tax department's web site or by calling their general inquiry phone number.