The Nakamichi is the best tape deck for any sort of recording.
The JVC TD W354BK Dual cassette deck is great for recording.
Honestly, with the change in todays recording environment, I would say the Teac or Sony brand of cassette deck would be the best.
Any of the Sony Walkmen will be great for recording classes.
cassette deck allowing you to convert your cassette collection to CD or MP3 with included recording software.
In my opinion, the best cassette deck is made by sony.
The Sony TCM-150 Cassette Recorder with Automatic Recording Level Control is available in your price range
The Sony M-100MC Microcassette Recorder with Voice Operated Recording is a good option
Pioneer makes the best duel cassette deck for copying tapes
Pyle makes a cassette deck that is around 80 dollars.
Onkyo TARW255 Cassette Deck is great for high speed dubbing.
Panasonic RQ-SW48VK Portable Cassette Player is great protable deck for your everyday uses.
ION TAPE2PC Dual cassette deck has usb on it.