Plus is competitve price.
Negatives are numerous:
Shockingly bad customer service after order is placed. They will lie to you and most issues you raise are considered your fault.
Delivery times and method is totally unreliable.
Difficulties getting products fixed under warranty; warranties are often short.
If you are still keen on dealing with them pay using Pay Pal; at least this way you have some recourse when things go wrong, and they usually do.