This thread helped me prepare, so here are my own scores.
 
				Time
			
			
				                    
			
			
				      Quant
			
			
				      Verbal
			
			
				        Total
			
		
				~1.5 Months
			
			
				Manhattan
			
			
				159
			
			
				162
			
			
				321
			
		
				~1.5 Months
			
			
				Crunchprep
			
			
				          NA
			
			
				          
			
			
				 
			
		
				~1.5 Months
			
			
				Magoosh
			
			
				          NA
			
			
				 
			
			
				 
			
		
				~1 Months
			
			
				ETS paper #1
			
			
				170
			
			
				170
			
			
				340
			
		
				~1 Weeks
			
			
				ETS paper #2
			
			
				162
			
			
				170
			
			
				332
			
		
				4 days
			
			
				Powerprep #1
			
			
				170
			
			
				169
			
			
				339
			
		
				3 days
			
			
				Manhattan
			
			
				163
			
			
				161
			
			
				324
			
		
				2 days
			
			
				Manhattan
			
			
				161
			
			
				162
			
			
				323
			
		
				1 day
			
			
				Powerprep#2
			
			
				166
			
			
				168
			
			
				334
			
		
				1 day
			
			
				Manhattan
			
			
				161
			
			
				166
			
			
				327
			
		
				 
			
			
				Average
			
			
				164
			
			
				166
			
			
				330
			
		
				 
			
			
				Real GRE
			
			
				166
			
			
				169
			
			
				335
			
		
	Powerprep was a good predictor, and Manhattan was harder than the actual test (which makes for good practice).
 
	I actually started the test with a very hard verbal section that was probably experimental, so I probably lucked out.              Good luck!