Amazon has the Friday the 13th Collection: Deluxe Edition (Blu-ray) on sale for $80 with free shipping. Also at Walmart. Includes:

• Friday the 13th (1980)
• Friday the 13th: Part 2
• Friday the 13th: Part 3
• Friday the 13th: The Final Chapter
• Friday the 13th Part V: A New Beginning
• Friday the 13th Part VI: Jason Lives
• Friday the 13th Part VII: The New Blood
• Friday the 13th Part VIII: Jason Takes Manhattan
• Jason Goes to Hell: The Final Friday
• Jason X
• Freddy vs. Jason
• Friday the 13th (2009)