For ease of access, the Vipers are good but the connecting arm is very weak where it connects to the lamp cover. I bumped mine and it broke.... luckily I use it in the sump area anyway.
The Sunpods are great little lights and very well built.
My Reef System: 215g Brick 72x24x29 Dual Overflows | 4x 250w MH | 4x IceCap 39w T5 w/ Actinics | MSX-250 Skimmer | 1/3hp Chiller | 16w UV | Aquacontroller 3 | Lunar Sim | AquaSurf |Tunze Wavebox | 2x Tunze Stream 6101 | MRC Dual Nano Calcium Reactor | GEO Kalk Reactor | Pan World 150PS Pump | Phosban & Carbon Reactors