which would be better for my setup component selection

[pcchris 10+ year member]

ok please help i know im finna have drowning out bass (4 18's walled)

and i want my highs and mids to keep up

i have the choice of these speakers which should i go with

8 sets of these (16 speakers altogether) for $60 a set

http://www.woofersetc.com/index.cfm?fuseaction=product.display&Product_ID=6730

8 boxes of these $70 a set

http://www.sonicelectronix.com/item_12225_Pioneer+Premier+TS-D720C.html

or for boxes of these (not priced yet)

http://www.sonicelectronix.com/item_7537_Pioneer+Premier+TS-C720PRS.html

the salesman told me 4 of the last one would be louder and sound way better than 8 of the 2nd option both pioneers

im looking for components with soft dome tweeters is it worth it? or should i go head and get some titanium dome.....i think im disliking the idea of titanium becuase of my previous experience with lower end speakers....

also im looking at these lanzars

http://www.onlinecarstereo.com/CarAudio/ProductDetail.aspx?ProductID=16460

also i came across something called cdt how do they sound

im trying to sound good on a budget.......with 8 component sets

im looking to spend 600 for all the speaker sets.....

help keep me from crashing and burning

if anyone know some great budget components i should look into also let me know....

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