I did the same with my rogue yesterday... Did some av, my rogue is pretty well geared has 4/5 S3 and everything else is pretty much s1 stuff (1 more week and i get s4 gloves). And i was owning everything there. I haven't really bg sense i got my first 2 s3 gear (got them at same time, was holding points till s4 came out). But being that well geared i was taking out pally and warrior without too much of a problem. I was also on the top of the damage meter and kills.

I use to play arena with this rogue and learned a lot from them, but never really got that far cause i was always out geared (only s1 stuff). So i don't know if my geared helped me that much or the other guys where just not pvp geared. Best part was that i held stables for a short time against 6 allies (thank god non of stuff where on cd when they started to attack).

I love to pvp with my rogue, come expansion i want to pvp again, but it took me a month and a half to get him s1 geared. With the new pvp gear needing arena and honor to get stuff will slow that down. Plus it will take about a month to get him to 80.