hi i was searching around the internet and i came across a powermac g5 dual 1.8 with 1gb ram 64mb graphics 80gb hdd for 195 gbp i am quite new to macs and this would be the first mac i ever buy i have some questions about it tho will it run adobe photoshop cs3 or above how reliable are they i have heard some horror stories about them not booting and things and how good is it to upgrade to leopard just want to make shore before and jump in and buy it thanks