["Snow Leopard", "positive"] 
["CPU", "negative"] 
["Office Mac applications", "negative"] 
["Word", "negative"] 
["Excel", "negative"] 
["spinning wheel", "negative"]
Even though it is running Snow Leopard, 2.4 GHz C2D is a bit of an antiquated CPU and thus the occasional spinning wheel would appear when running Office Mac applications such as Word or Excel.