My current fave Gelcolor is ....

Just to get the ball rolling here is my current fave, OPI Gelcolor Unfor-Greta-Bly Blue.  It looks great when my nails were a bit long.  This pic was taken to show a friend on facebook so not posed with all the fancy different lighting but hey, looks like my all time fav shade of blue and that is what matters!  

Paint wise it goes on really great with not a huge amount of roll-back.  I found it looked it's best when I did my one week touch up with a coat of the same colour in normal polish.