That seems fine. I get the same sort of thing with my 4870's and the EK FC blocks. The only temps that go up are the slave readings in GPUZ-i.e the power regulators.
__________________
White Night:: i7920 (4ghz), Rampage III extreme (A1), Mushkin XP 1600 (9,9,9,24),SLI480., white MM horizon.
CPU: Feser 220 int.|Apogee GTZ|S.Res.rev2| MCP655.
GPU: PA120.3|S.Res.rev2|2x EK FC blocks| MCP655.
|