Not excited at all.... while there is alot of GPU power apple has proven that they are well capable of making a great GPU useless for us with poor driver implementation. If they have the same issues as they do currently with AMD its a bit useless to us. Also... the cooling had better be alot better than the mac mini which cannot support sustained high levels of CPU usage. This thing has 2 hot GPUs and a 12 core CPU... and finaly... to expand with video input cards we must purchase a multi thousand dollar thunderbolt expansion chassis that isnt capable of giving full use of the PCIe bus. I do like the general concept minus the lack of expansion but I am not certain this particular platform is going to be a good thing for us Catalyst users. I hope I am proven wrong!