I have yes, and it is still "laggy" due to the low recording FPS, which is around 10 - 15. I have 17.2 GB of free space left, so I dont THINK thats the problem. I also tried using FRAPS to record me playing counter-strike and ESF, (I do know FRAPS isnt needed to record those 2 games), and ...
For some reason when I try to record at any FPS and with or without sound being recorded my FPS goes from around 65 to 15 when I press to record. I havent tried recording half-screen or w/e but I thought Id post my problem just in case if that doesnt change anything.