Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: Lots of potential . . . ultimately doesn't deliver

The Potential1. Great input/output options (svhs, rca,firewire . . .).2. DVD recording from whatever source the unit can take.The Let Down1. Cumbersome procedures for VHS => DVD recordings.2. Fussy firewire input.4. Disk Error on most discs after 5 months of owning the unit.5. HORRENDOUS customer service/support.