Metal Gear Solid Legacy Collection PS3 is $59.99 + free shipping at Oz Game Shop
Oz Game Shop has Metal Gear Solid Legacy Collection PS3 for $59.99 with free shipping. This collection includes 8 games from the series.
From my price checks this seems like the best deal. I found it at $74.95 with free shipping at Dungeon Crawl, $105.90 shipped at Wow Sight & Sound and $96.90 shipped at DVD Land. The next best price that I came across was $70.30 shipped at Zavvi.