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I think I'll cancel my pre-oder on NCIX.ca and change it for a DIR-868L
http://reviews.cnet.com/routers/d-link-dgl-5500/4505-3319_7-35566998.html
My main concerns:
"(..)the router's performance was quite good but not as good as you'd expect from a device that costs so much. For the AC standard, which only works on the 5GHz frequency band, I tested it with both a generic AC media bridge and a D-Link USB DWA-182 AC adapter, and the speeds, though quite fast, were slower than other AC routers give. More specifically, the router gave a sustained speed of 158Mbps over a short distance (15 feet) and 114Mbps long distance (100 feet away). These numbers were about those of a regular 5GHz 802.11n router and about the slowest among AC routers I've reviewed.
When working with regular 802.11n clients, the DGL-5500 generally did below average on the 5GHz band, with sustained speeds of 156Mbps and 98Mbps for short and long ranges, respectively. On the 2.4GHz band it did better compared with others, scoring 59Mbps and 41Mbps for short and long distances, respectively.
The DGL-5500's Wi-Fi range wasn't impressive, either, with the range on the 2.4GHz band, some 270 feet away, being much longer than that of the 5GHz band, which was just about 220 feet. The router's effective range, however, was just about 100 feet.
In stress tests, where it was set to work continuously with multiple Wi-Fi clients for a long period of time, it passed easily on the 5GHz band. On the 2.4GHz band, it showed the first disconnection after just about 7 hours. This is not a big deal since the client was reconnected immediately, but other routers can go for 24 hours or more without disconnecting at all."
"Conclusion
The D-Link DGL-5500 isn't ready for prime time and right now StreamBoost is the router's only feature of note. Interested parties should wait until D-Link significantly updates the firmware, hopefully improving both performance and the clunky Web interface. A beefy price cut should also be a prerequisite before purchase."