Staples has several things for .25 (School supplies!) Check out their weekly ad: http://staples.shoplocal.com/staples/default.aspx?action=entryflash&sneakpeek=y&adref=email
Five dollars off of $30 purchase at Staples:
Another Good Blog w/ Deals
You can also get $3 for each empty ink cartridge you bring to Staples. You can do up to 10 each month. They will mail you a check for them and you don't have to purchase anything to take advantage of this!