Guidance regarding what SUSE to run on a RS6000 43P-150 machine

Hi ! I have 2 pcs of old hardware it its IBM's PPC RS6000 43 P-150 They have have very nice graphics cards IBM's GXT 3000P What SUSE release should i use on these ones ? What would be the best use for them as servers or desktop machines ? Best regards Kjell Andersson