Am I ready for the test?

I have gone through most of the recommended books and my test date is 10th Feb. Should I postpone or go for test? My target score is 650-670. Please give your suggestions..

My scores till now are as follows:

08/01/11……..Manhattan CAT1 …….660 (Q50, V32)
16/01/11……..PowerPrep CAT1……..690 (Q46 and V38).
Paper tests (Verbal section only) ……. 33, 35, and 37
20/01/11.........Veritas CAT1 ..........570 (Q42, V24)
21/01/11…….... 800Score (Verbal section only) …….37
24/01/11......... GMATPrep v2 CAT1........640 (Q47, V32)
25/01/11 ……. 800Score (Verbal section only) …….37
27/01/11…….. Manhattan CAT2 ……..670 (Q48, V33)
28/01/11.......800Score (Verbal section only) …….36
28/01/11.......gmatclub free quant test ......... 29/37
29/01/11........ 800Score (Verbal section only) …….32
31/01/11...... Powerprep CAT2 = 620 (Q48, V27). (I was just checking what I can score if I attempt quant section perfectly and guessed all RC questions on Verbal section!! I made total 16 mistakes on Verbal section, out of which 12 wrongs were from RC)
01/02/11......GMATPrep v2 CAT1 (2nd time)...... 680 (Q47,V36) 4-5 repeats on Verbal section and all quant questions were new.

You can find my complete journey at my-log-will-i-get-my-life-back-104460.html#p814491