Anybody have experience using ViaVolt T5 fixtures?

I saw this one from Home Depot's site:

http://www.homedepot.com/h_d1/N-25ecodZ5yc1v/R-202985194/h_d2/ProductDisplay?catalogId=10053&langId=-1&keyword=t5&storeId=10051#.UETcuaCnfDQ

They also have 4 footers, and seem to be a bit cheaper than the other stuff that's out there. The specs don't say anything about daisy chaining the fixtures, but there are a couple comments that say that this is a standard feature.

Seems good to me, Im thinkin bout picking up the 4fter

Yeah, I don't understand why they cost so much less. I can't see anything wrong with them. And, my current setup is getting a bit crowded...

Lowes has a 4lamp 4ft fixture for $20 doesnt have bulbs but i believe they have them in t5 ho/t8 and t12.

I couldn't find that on their site. I only found these ones, which are a 4 bulb fixture for $50, and a 2 bulb fixture for $18.

http://www.lowes.com/pd_283285-1390-GU9804-T8-BKSS_4294935637__?productId=1208545&Ntt=t8+fluorescent&pl=1&currentURL=?Ntt=t8+fluorescent&facetInfo=

http://www.lowes.com/ProductDisplay?partNumber=245546-58659-NXU-6001-B&langId=-1&storeId=10151&productId=3168049&catalogId=10051&cmRelshp=req&rel=nofollow&cId=PDIO1

Im not sure if its on their site, they do have it here at my local store. I was gonna pick one up but I am in the process of building my cfl lamp(6 42w woot lol).