how much money you got? you can pick up a used tdm system for about 6k plus youll need a host computer mac or pc, any speed above 266mhz is fast enough for tdm cuzz it runs on its own processor,
digi001 systems run around $800.FOR A SYSTEM ,PLUS YOU NEED A HOST, I USE A MAC G-4 THEY START AT $1600 for a 867 double processor ,as far as pc i think you can find them for around $500 on up, one thing to keep in mind about digi001 is that the speed of your computer determins how many effects plugins you can use to mix with. you get 32 tracks with digi001 tdm you can expand it to over 200 tracks if you got the cash