I've got Nordic blue with latex wrist seals, and also Diving concepts ring system which has been gathering dust since I bough it... I much prefer dry gloves with latex wrist seals as they're so simple and not bulky at all due to lack of plastic rings. Also your suit's seal doesn't get overstretched as with most ring systems that retain the suit's wrist seals. They're also the cheapest to buy and replace... Best price I've found is from
Dry Suits from Seaskin Custom Drysuits at £30
Spiros