Based on current reviews, the Presto FryDaddy (US$25) is a highly rated low cost model. For small fryers, try the DeLonghi D895UX Roto (US$100) and for big fryers try the Presto Digital ProFry (US$60).
Your best deep fryer option is the Aroma ADF-212 Smart Fry XL Digital Dual-Basket Deep Fryer. It's easy to clean, affordable, easy to operate, and maintains consistent & reliable temperature.