This one has about 2.4 million:

The only reason these were restarted was to upgrade cgminer.

I will put the clocks back to 675/300 when it cools off tonight

cgminer version 2.3.6 - Started: [May 9, 2012, 10:52 pm] Rig:miner4

(5s):1958.08 (avg): 2366.45 Mh/s | H: 158.31 Q:2462588 A:2491641 R:18301 HW:968 E:?% U:31.6/m

TQ:? ST:2738 SS:? DW:238215 NB:7921 LW:6649241 GF:1608 RF:1528

Connected to http://gpumax.com:8332 with LP as user ?

Value:

GPU 0: 72.5C 4535RPM 85% 158 | 247.9/296.1Mh/s | 99% | 550Mhz 300Mhz 0.95V A:312433 R:2277 HW:0 U:3.96/m I: 7

GPU 1: 74.5C 4530RPM 85% 160 | 247.6/296.1Mh/s | 99% | 550Mhz 300Mhz 0.95V A:311946 R:2279 HW:0 U:3.96/m I: 7

GPU 2: 73.5C 4582RPM 85% 159 | 248.0/296.1Mh/s | 99% | 550Mhz 300Mhz 0.95V A:311960 R:2236 HW:0 U:3.96/m I: 7

GPU 3: 72.0C 4582RPM 85% 157 | 247.1/296.2Mh/s | 99% | 550Mhz 300Mhz 0.95V A:310948 R:2317 HW:968 U:3.94/m I: 7

GPU 4: 72.5C 4556RPM 85% 158 | 247.3/296.2Mh/s | 99% | 550Mhz 300Mhz 0.95V A:311969 R:2323 HW:0 U:3.96/m I: 7

GPU 5: 73.0C 4556RPM 85% 158 | 248.1/296.2Mh/s | 99% | 550Mhz 300Mhz 0.95V A:311149 R:2265 HW:0 U:3.95/m I: 7

GPU 6: 75.5C 4551RPM 85% 161 | 224.1/293.6Mh/s | 99% | 500Mhz 300Mhz 0.95V A:309507 R:2258 HW:0 U:3.93/m I: 7

GPU 7: 73.0C 4551RPM 85% 158 | 247.9/296.1Mh/s | 99% | 550Mhz 300Mhz 0.95V A:311729 R:2346 HW:0 U:3.95/m I: 7

here is a rock steady rig i dont even turn down when it get warm:

cgminer version 2.3.6 - Started: [May 9, 2012, 8:03 pm] Rig:miner1

(5s):1849.08 (avg): 1829.68 Mh/s | H: 120.8 Q:1860865 A:1931995 R:11768 HW:0 E:?% U:24.45/m

TQ:? ST:2217 SS:? DW:193789 NB:7937 LW:4658818 GF:1134 RF:1494

Connected to http://gpumax.com:8332 with LP as user ?

Value:

GPU 0: 72.5C 3441RPM 48% 121 | 371.0/366.9Mh/s | 99% | 800Mhz 300Mhz 0.99V A:387104 R:2466 HW:0 U:4.90/m I: 7

GPU 1: 72.5C 2864RPM 47% 120 | 369.8/365.9Mh/s | 99% | 800Mhz 300Mhz 0.99V A:386476 R:2392 HW:0 U:4.89/m I: 7

GPU 2: 71.5C 3576RPM 50% 122 | 369.4/365.9Mh/s | 99% | 800Mhz 300Mhz 0.99V A:386789 R:2339 HW:0 U:4.89/m I: 7

GPU 3: 72.0C 3486RPM 49% 121 | 369.3/365.6Mh/s | 99% | 800Mhz 300Mhz 0.99V A:385008 R:2284 HW:0 U:4.87/m I: 7

GPU 4: 71.5C 3181RPM 50% 122 | 369.6/365.4Mh/s | 99% | 800Mhz 300Mhz 0.99V A:386618 R:2287 HW:0 U:4.89/m I: 7