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!