No, it is forbidden according to halacha to take more than one wife, except with a heter meah rabbanim. First of all, according to my information Rabbeinu Gershom passed away in 1040, so not necessarily have 1000 years passed since the enactment of the gezeira. Secondly, it has been accepted unanimously by all Ashkenazi communities to follow the cherem indefinitely.
Anyways, would you really want more than one wife???