preconstruction deals..HOW to?

Anybody familiar with some sales products now out there regarding how to buy preconstruction properties before they are sold to the public…samples of the sites are the following:
Has anyone gotten these products and have an opinion…
Was thinking of getting these…thoughts!!!

Have never seen or heard of either of these I will look into it check out he rates the gurus but I must warn you he dosent really like anyone!!!LOL

I visited the web site but the authors aren’t even listed…
…Jim Pierce and Chris Anderson … where else can I check up on their products and if anyone has used their systems of purchasing pre-construction properties?

last saturday Barrons (the business weekly magazine) referenced the ultimate flipping site:

whether you’re the flipper or the flippee, it offers everything you’d want to know about flipping florida condos. lol!!