Unless your doing a scene with a lot of objects that are close to one another with various colors - GI is definitely the way to go IMHO. GR throws colors into the mix and sometimes makes things look funky. Vue's GI model is really superb becuase of the wonderfully soft and realistic shadows it creates. Poser tries to fake GI with ambient occulusion but it is a poor substitue to GI. Also, the tip on cranking down the quality slider is a good one. On human renders there is virtually no difference between a quality of 0 and -1. A -1 setting boosts rendering speed by 4 to 5 times faster.