I'm looking at this one, a buddy of mine has it and swears by it:
http://www.zzounds.com/item--BEHPB1000
I've gigged with him and it seems to set up fast.
$129 looks like MAP for it. But with a coupon at GC or MF you should get close to $100. He's got a Dunlop power brick but liked the fact that it had a power supply - good for back up!