was up man i got a quick question. im new

the the whole nds flashing thing but im in tuned to the scene i just wanted to know rather or

not i should buy the MK3 2006 512M+1G or the Neo-Max 1G for GBA / SP / NDS / GBM 4in1 i have a silver ntsc usa ds with the codes nu41309148 8 for my ds
and im interested in ds flashing mainly and the whole app thing is cool the touch screen menu for the neo flash sounded very cool also but just hit me back up whenever thx
also do i have to flash any thing solder anything etc.