Financial talk

I know they are not the greatestest guns in the world, but i'm a beginer. So don't bag on the guns to bad. Plus i'm low on money. http://airsplat.com/Items/EM-UM-602.htm http://www.airsplat.com/Items/ER-MP5A5-2007.htm http://www.airsplat.com/Items/ER-WEI-MP5SD6.htm http://www.airsplat.com/Items/ER-WEI-MP5-SD5.htm So please help me pick, thanks