Hey UMT,
I havent used a tool like that but have been looking to do the same thing.. I have replaced the bearings and had to take the hubs to a machine shop which charged me $50.00 to press them out... then you have to put it all back together and get an alignment... Since reading your post I am going to get the kit and do it myself,,, HF also sells a 12 ton press for around $120-130 I believe.
Thanks for the post.