Anything by Storz and Bickel is the very best you can get, and is well worth it. Whether that's the Mighty, Crafty, Plenty or Volcano.

If you need something very cheap, then the best you can get is the Spirit by Storm vaporiser, or if you absolutely must go cheaper again, the Sapphire by Storm.

To answer your other question, you will need a grinder, and if you want to measure it out accurately you will also be needing some precision scales. Finally for cleaning your vaporiser you need some isopropyl alcohol and Q-Tips.

As for if it makes you high. Medical cannabis is generally designed to not cause the level of impairment and 'high' that you may get from street drugs. But you can still certainly get this effect especially if you have little to no tolerance. Adding a good amount of CBD To your intake of THC Will help a lot to take the edge off of the high and avoid common complaints like anxiety and paranoia that some people experience.