Blown out speakers. Any suggestions for new ones?

Hello everybody, I am fairly new to this site. Over the weekend I noticed that my two Sony 6.5" coaxial speakers in the rear doors are blown. Any suggestions on what brand and model speakers I should purchase next? I don't want to spend too much, but at the same time I want to get a nice, crisp sound from my system. I was thinking of getting MB Quart all around. 6" x 9" in the front and 6.5" in the back. I was also thinking of changing my tweeters (they are currently stock) and adding xovers. I appreciate any suggestions guys. Below is a link from eBay which has the MB Quart listing for cheap. I plan on keeping it around $200 for all 4 speakers, 2 tweeters, and xovers.

http://www.ebay.com/itm/280946873367?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

 

MB Quart is decent stuff and you can power it off the stock deck. I'd say you are on the right path.

 

Cool, Thanks Aw9d.