Dell/Samsung Flat Panel Monitor Questions

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I went to the Dell website and looked at this 2001Fp for $534:
http://tinyurl.com/4opuf

If I register here will I get $100 off of this price?
http://tinyurl.com/98se8

Are there any other coupons or discounts available?

And here is a link for a 2005fpw for $463. What is the difference between these two and does the 2005fpw go to 1600x1200 resolution. I didn't see anything about it under details.
http://tinyurl.com/5ln2x

Are these the best prices I can find? Has anybody bought one on EBAY?

And then there is this one coming out in January but I have no idea what resulution it's capable of or the price:
http://tinyurl.com/87ymn

I also checked out the Samsung 213T, which is what I already have, and would prefer to get, but they are still pretty pricey. $850 was the lowest I could find. There were several on EBAY for around $500 with a day or so left on the bidding.

Of course if you buy over the net you have to pay shipping too. Do you get free shipping at Dell?

Thanks.