E1BT
The coupon mentioned on this E7 Pro deal for $413.99 seems to be working on everything sitewide for an extra 10% off.
With Coupon:
E7 Desk frame only: $379.99
E7 top + frame (chipboard) from additional $50 depending on size (before discount code)
Might be good with a bunnings / Ikea top.
If you're getting the Anti-fatigue mat - cheaper to add it from the accessories page ($59.99 vs $79.99) before coupon.
Frames seem to have good reviews on YouTube and look stable, even though most seem to be sponsored.