You can still buy single versions without the subscription. I have Autocad LT 2008 and Viz 2008 with no subscription. I went from Autocad 14 to Autocad LT 2008 and spent a whole day just turning crap off.
Thanks for correcting me, I just pulled out a recent invoice and it looks like I can buy the full version for >$3,000 and that the yearly subscription upgrades are around $500.
Thanks for correcting me and good luck with that jump (more of a leap) from 14 to 2008!