well if you have the money go for the 2k, its definitely the more capable machine, afterall it is the higher level model, thats why it costs more. hoewever, the deciosn that you have to amke is whent\\ther or not you can make do with the 1k, simplicity is often better than extra capabilites, if you are not gioing to acutally use them..
ps i have a 1k and am [perfectily happy it does everyhint g i needc to do and mroe. its more in youer mind man. not the machine. haha