due to finding out my left side crossover had been rusted/water damaged im in need of some new splits

*rookie error* was a home job and didnt have a clue how to put wires from inside door to footwell


just want to know if anyones bought any car audio from the U.S??

im lookin at buying off this ebay store new speakers and amps
so much cheaper than in aus thanks to the dollar atm
http://cgi.ebay.com.au/Polk-Audio-DB525 ... 2a0f186f89
http://cgi.ebay.com.au/ws/eBayISAPI.dll ... 0600613202
there suitable for marine so they should stand alil moisture in the front doors
im gonna go these speakers for the front of the doors and the 6.5" version for the rear and a soundstream 900w amp and a 1f capacitor

any feedback would be much appreciated
cheers