February Outsider indicates a 'yes' answer to that

How Much and When
The program costs just $49 for US customers, £39 inc VAT in the EU. Better still if you have Xtreme 4 or Webstyle 4 you can purchase Web Designer for just $29 or £23 inc VAT (this is an introductory 2 month offer).

Xara Web Designer will be available from the middle of next week - 1st week of March