Mr. Cooper has stated on here that cooking eggs has a large impact on the quality of their protein, meaning - a cooked egg is more biologically available than a raw egg. This is a big part of the reason that egg white protein wasn't included in Select.
Check out this study:
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It looks like a cooked egg white is estimated at 91% BV, while raw is only about 50%. This means that if you're using that product raw, and it's not heat pre-heated in any way, the 35 grams may be higher protein than a 24 gram protein shake, but you'll have a better yield of usable protein from the whey protein shake, as only 17.5 grams of the egg white will actually be used.
If you're cooking it, I get (4) 16 oz. cartons of egg beaters for $10, which is twice as much for 40% of the cost, making this product 5X more expensive than egg beaters. If it's for the novelty of the taste, that's fine, but you could always add protein powder for flavoring and make crepes.