1) No need to be afraid of Shakespearean English! No Fear Shakespeare has all of Shakespeare's plays with a side-by-side modern English translation on the same page - http://nfs.sparknotes.com/
2) Folger is the place to go if you want to find the original texts for free. Read online or download as PDFs http://www.folgerdigitaltexts.org/?chapter=4
3) Shakespeare Glossary - find the meaning of all those difficult words with just one click http://www.shakespeareswords.com/Glossary.aspx