Groupon offers a $70 Credit at VistaPrint for $17. Plus, receive 30% off regularly priced items via this offer. That's $53 off, tied with our mention from early this month and among the best such deals we've seen for this photo services merchant. VistaPrint specializes in photo books, cards, calendars, and more. The voucher excludes shipping costs and sales tax. It expires May 2, 2012. Deal ends January 26.