One good example is HP. They have one such laptop where you can put an A8 and a 7670M in the hardware through the customization menu on HP's site before you order. HP often has sales where it costs just slightly over $600 to do this and HP also gives away free coupon codes (you can often use multiple codes too). For example, I have a $100 off code and a 10% off code that I could use or just give to OP because HP keeps sending me emails with them since I registered my printer. It could cost under $500-550 (if not on sale right now) with the codes.
I've seen several other places (especially through companies that build you custom laptops from barebones kits for very low prices) that can have similar deals from time to time. Sometimes, you have to go down to an A6 if stuff isn't on-sale and you don't have codes, but it's still pretty similar if you get an A6 MX with 1600MHz memory instead of an A8 with 1333MHz memory. If you don't mind installing your own memory and selling what comes with the laptop, this is even cheaper.
Llano has been going down in price lately, especially since Trinity has gotten more attention.
There are almost as good deals on some new Intel laptops too, but they're a little harder to find IMO, although they are there. They tend to not be quite as great, but if OP doesn't want the hassle of a CF system such as what I've described, they might be preferable.