Watts per channel HELP

[PSB_Paradigm_HSU]

Can I run these:

http://www.psbspeakers.com/products/...ne-B-Bookshelf

http://www.psbspeakers.com/products/...magine-T-Tower

With This:

http://emotiva.com/upa7.shtm

I am aware that underpowering a speaker is a big no no but what about over powering?

They are 4 ohm speakers, so if your answer is no I cannot use the emotiva due to too much power, then what are some other good 4 ohm amplifiers that put out about 150-200 watts per channel?

But lets say I find an amp that puts out 200 wpc to use with the PSB Imagine T (200 max), does that mean I CANT use it for the Imagine B (150 max)?