If it's for the right prize I'd just go for it.
Having one makes it far easier as hearing about it XD
I've been searching far too long before I bought mine, thought I knew what I would get, but the possibilities still surprise me daily.
Should you want to look at "difficult" techniques/protocols/etc you always can, at least you're not forced to.
One last thing I would seriously consider is how to turn on/off the heat in case you should work on another project or get unforeseen hard/software-problems. You can easily unplug most other projects and fix 'm a few weeks later, but this one... might need immediate attention.