Civilization 5 DLC comparison, Steam / Amazon prices

Comparison of stuff on sale on Amazon and Steam:
GOTY = Game Of The Year Edition

Part of GOTY:							STEAM	= $?	AMAZON-SALE

Explorer’s Map Pack			 			1.74€	$2.32	$1.25
Civilization and Scenario Pack: Denmark - The Vikings		1.74€	$2.32	$1.25
(the two above can be bought together as:)
Civilization V: Denmark and Explorer's Combo Pack		2.99€	$3.98	 N/A

Cradle of Civilization (Medi., Asia, Americas, Meso.)		3.99€	$5.31	$3.00 ($0.75 x4)
Civilization Pack: Babylon (Nebuchadnezzar II)			1.74€	$2.32	$1.25
Double Civilization and Scenario Pack: Spain and Inca		2.49€	$3.32	$1.87
Civilization and Scenario Pack: Polynesia			1.74€	$2.32	$1.25

UPGRADE from regular CIV to GOTY edition:			5.00€	$6.66	 N/A

2K Strategy Super Pack						 N/A	 N/A	$19.99
(Contains CIV5 GOTY, Gods and Kings, Civ Iv Complete edition and The Stronghold Collection)


Things that are NOT part of GOTY, but are also on sale:		STEAM	= $?	AMAZON

Civilization V: Civilization and Scenario Pack: Korea 		1.74€	$2.32	$1.25
Civilization V - Wonders of the Ancient World			1.74€	$2.32	$1.25
(the two above can be bought together as:)
Korea and Wonders of the Ancient World - Combo Pack		2.49€	$3.32	$1.87