Suggestions on Basic Car Stereo Setup

I'm looking to do something realtively cheap and simple. I'm only looking at a a new HU front and rear speakers. The OEM front speakers are 4x6 and the OEM rear's are 6x9s. Below I've listed my selected componets and my price range for each. I'm looking for comments and suggestions... I'm looking for quality over loudness. I also want a HU that will play mp3/wma/etc. Head Unit ( up to ~200$ )    Sony CDX-F5700 -- 23.2x4 RMS                   -- 52x4 Max Front Speakers ( up to ~130 )    Pioneer TS-A4670R (3-way) -- 20 RMS                              -- 120 MAX Rear Speakers ( up to ~130 )    Pioneer TS-A69690R (3-way) -- 40 RMS                              -- 220 MAX

Get an amp, you won't regret it.

I dont like pioneer's speakers. They try to lure people into buying their speakers by sticking 3 to 5 tweeters on their speakes (because most first timers think more is better, no offense), while making them extremely shrill. If you have listened to them and like their sound, go ahead and buy them though. If you havn't then I would, and also look at brands like Boston Acoustics, Alpine, Infinity, Eclipse, JL, and MB Quart just to name a few.  Ditch the sony head-unit and pick up an Eclipse 3414 or an Alpine CDA-9827 or a similar head-unit from Pioneer. Any of these go for around $200, and sound much better then anything with the name sony on it.

How about Polk Audio speakers? That's what I have - sound great and strong.

in my last car I had an all pioneer setup. I liked it. personally, I like 3-way speakers, but I do agree that 5-way 6x9's are kinda dumb. The only real reason I chose the sony was the fact that sony is only company I know that makes a cd-changer that can play mp3's... I wanted the option on adding a cd-changer later, but the more I think about it... I don't think I have enough cd's to fill 10 cd's with mp3's... Who makes the eclispe head units? Does the manufacture have a web site so that I can read up on them? I thought about the alpines but the look is too conservative for my taste.

there seems to be a lack of an edit button.... or I just couldn't find it. About amping the rear 6x9's.. about what size amp would I need to push those 6x9's? The reason I haven't thought about the amp is because I'm unsure about how difficult (maybe I should say annoying?) it might be to run the amp cables under the carpets. I do my own installs because I think it costs too much to have an installer do it and plus I probably put more care into the project.

if you are going to amp your speakers, why not amp all four of them? i think it would sound better. as far as head units go, i have an alpine cda-9827. it plays mp3 and wma formats and it's like 230 or so. i like it. when i bought i didn't even consider eclipse or anything like that. but also, no one sells them in the city i live in so i couldn't test drive them per say. as far as speakers go, my friend has an all pioneer speaker set up. they sound alright but start to get distrorted when he turns it up, and he doesn't have an amp. i would consider infinity, mb quart, boston acoustic, focal. they can get pricey and i would have to say infinity is sort of the low end of the high end speakers. chekc out these sites. they seem to have awesome deals on speakers and head units. www.etronics.com www.techronics.com www.cbrstereo.com