Some brewers have expressed concern that a gel solution will actually strip a beer of late hop additions. If you dry hop a pale ale and then gel it... does it remove or lower the level on your late/dry hops? I'm not enough of a hophead to know the answer to this. If I make a dry hopped beer, I gel the beer in secondary and get it clear. Then I dry hop it for 5-7 days, rack it to a keg and then just let the beer go... no more gel additions. Those beers are typically hazy for awhile and then they slightly clear. For those looking for that uber-fresh, late hop character... I would stay away from the gel after you dry hop. Just my 2¢. Cheers.
I haven't personally noticed much difference with my dry-hopped beers. Not that I've tried them side by side. For me, if I can't personally tell the difference without a side by side tasting, then I'm not too worried about it.
I start my cold crash in the morning or night before. Set to ~33 degrees
Once at temp I mix a half teaspoon of gelatin in 1/4 cup of water and immediately heat in the microwave in short bursts until it's between 145 and 150. I use my thermometer to stir the mixture in between bursts to ensure all the gelatin is dissolved.
I then just dump straight into my fermenter and rack to the keg about 2 days later.
So far my brews have all been crystal clear when using this method. If I'm very careful when racking (love my speidel fermenter for this) the beer pours clear from the first glass to the last.