Hi All,I am soon going to get a new airtel BB connection in North West Delhi with 256 Unlimited plan. Can anyone here using this plan advice me on following: -1. What is the maximum speed which i may expect under this plan?2. Is there any connectivity issue in this plan like frequent disconnection etc.?3. How responsive is its customer care?4. I will using internet through WIFI device. Is there any issue?5.Is fair usage policy applicable though not stated on Airtel website under this plan?6. What will be the range of WIFI device (i expect beetal)7. I am paying onetime non-refundable Rs. 1500/- for WIFI device. What if WIFI device gets problem? will it be replaced?8. How about billing accuracy?Thanks in advance for all your responses..