How long can you wait before you purchase?
What kind of materials do you want to use? PLA, ABS, Resin?

Some feedback about the Taz from someone on another forum
https://groups.google.com/forum/?fromgroups=#!searchin/makerbot-users/$20taz/makerbot-users/E2FeZxB5sRY/xfwS0H0JWz8J
"Take one look at the extruder on Taz 5 and it's a giant honking mass of printed parts, big old exposed gear and so forth.The frame is nothing more than a Prusa i3 is sheep's clothing."