Philips OneBlade 360 is the cheapest it's ever been at $64.95 (27% off) according to Pricehipster.
Philips OneBlade 360 Face and Body PRO Connected $99 (41% off / RRP $169). Also the lowest price seen at Shaver Shop.
This model seems popular amongst some Ozbargainers.
I have a Philips one blade and it's great big recommend