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Having done a bit a laminating myself, I offer these tips:
If I were to do my sink countertop over, which someday I will as I am not crazy about my stock white one, I would also laminate the bottom of the counter top with V-32. V-32 is a cheap brownish, very thin laminate used to prevent warpage. If you laminate one side of a long piece say 2' by 7' on just one side, and that piece is going in an area of high humidity, moisture could be absorbed through the unlaminated (bottom) causing warping. V-32 is a cheap way to really seal both sides for a good stable slab. It may be overkill, but I have yet to have any problems with anything I have done this way.
Bob Thompson's idea with the dowels is good, but if you are doing a 2' x 8' run, that's a lot of dowels. I have found that laying out wax paper over the wood surface works well. You carefully "peel-out" the wax paper once the laminate is in the correct position. Because it's waxed, it won't stick. And cheap too.
Once the laminate is in place and the wax paper removed, you should apply lots of preasure using what is called a J Roller. This ensures a real good bond.
You also want to make sure that there are no splinters of wood, dust whatever, between the laminate and surface. This will cause an unwanted bump once the marriage is complete. Check both surfaces carefully before commiting. As mentioned above, sides/edges first.
Jonathan
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I'm out of my mind right now, but will be returning shortly......
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We had all laminate applied, flipped it over to check top for adhesion and found that some of the front area of top had not gotten stuck real well because the strip running under it (along that metal edging) did not allow it to make good contact with the plywood. Not major bad, but enough that we ended up pulling off that front strip and using the Gorilla glue technique, carefully added some in very small quantities and clamped. We will have to recut and readd the side strip, but that was a small loss compared to having to redo the entire top. One other mishap. We picked up the entire piece to try to see if the stove would fit back in the hole that was cut for it and in the process the laminate bent on the small piece of wood to the side of the oven and cracked the laminate at that point (I am going to post pics to clarify all of this tomorrow for those brave souls who come after us in doing this project). We could only score it along that spot and end up with a seam, but I am thinking that it might have been a stress point while the trailer was moving anyway and better to find out now than after we had reinstalled the whole thing. Thats it for now. 
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