Trading NXT for XEM

Hey all I have a little over 29K NEM that I would like to sell for XEM. Any advice? is there one exchange that is easier to use that another or is anyone here intersted.

Thanks in advance,
Ryan

[color=rgb(102, 102, 102)][font=Tahoma]To exchange traded.[/font]
[color=#666666][font=tahoma, arial]https://www.poloniex.com/[/font]

Thanks I will check this out tonight!!