I generally like my PDA rig. I've been doing mostly open recording at 24/48 and it works great. However, the IPAQ 2215 does not support expansion sleeves, which means that you are limited to using the on-board SD card slot for your recording media. Currently SD cards have limited capacity. You can buy 1 gig cards for around $50. If you are recording at 24/48 or 24/96 you will need to change cards several times during the show (the Gidluck software now allows you to switch cards while recording). If you can live with this, then the 2215 is great for stealth recording. It is definitely the smallest rig you will find and it is easy to get through security because it does not look like recording gear. You still need pre-amp/phantom power/ADC and you'll probably want a second battery for the PDA as well.